Question

Anitha said the numbers 8,12,30,45are in proportion . Do u agree with Anitha ? give reasons

Answer 1

8:12::30:45

multiples of 4 ( 8,12) 

multiples of 15(15,45)

2:3::2:3

They are in proportion 

Answer 2

yes......anitha is correct....
since if the nos. are in proportion ,
then,
8*45=30*12,(product of extremes=product of means)
360=360
lhs =rhs
therefore,the nos r in proportion...
hope it helps you