Question

Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
25 cm: 1 m and Rs 40:Rs 160

Answer 1

The proportion is ____5:20:8:32 .Here, 5 and 32 are extreme terms and 20 and 8 are middle terms.

Answer 2

1)

25 cm : 1m

changing metre to centimetres

1 m = 100 cm

The Ratio will be -

25 cm : 100 cm

25 : 100

simplifying by 25

1 : 4



2)

Rs 40 : Rs 160

40 : 160

simplifying by 40

1 : 4


The Ratios are equal , Therefore these are in proportion .


Finding Middle Terms -


Middle Terms = 1 m , Rs 40


Finding Extreme Terms -


Extreme Terms = 25 cm , Rs 160.