Question

define clearly direct proportion give examples

Answer 1

PROPORTIONS

Direct and Inverse Proportions

Direct and Inverse Proportions

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Sometimes a change in the proportions of one quantity means a change in the proportions of the other! For example, when you buy more apples, you’ll have to pay more money. Similarly, if we increase the speed of a vehicle, the time that it takes to cover some distance goes down. The first is an example of direct proportionality and the second is an example of quantities that are inversely proportional. Let’s read further.

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Direct Proportion

Suppose you increase the number of books in your bag. What will happen to its weight? It will also increase. This is direct proportionality. Let’s take two quantities, x and y which are believed to be in direct proportion. Now, what would that mean? It means, that these two quantities, x and y, will increase and decrease in such a manner that the ratio of their corresponding values always remains constant.