Question

Two number are in the ratio 4 : 5. find the numbers if their sum is 378 .

Answer 1

Ratio = 4 : 5

Let x be the constant ratio

4x + 5x = 9x

.

Find x:

9x = 378

x = 42

.

Find the 2 numbers:

4x = 4 (42) = 168

5x = 5(42) =210

.

Answer: The two numbers are 168 and 210

Answer 2

let common ratio be x

let 1st number be 4x and 2nd number be 5x

4x+5x=378

9x=378

x=378/9

x=42

1st number=4x=4*42=168

2nd number=5x=5*42=210

Hope it helps.