Finding the Fourth Proportional to 236,130.56, 325,860.42 and 128,700.68
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Solution
The fourth proportional to 236,130.56, 325,860.42 and 128,700.68 is: 177,607.07
Step by Step Solution
- Step 1: Write the proportion equation
236,130.56 : 325,860.42 = 128,700.68 : x - Step 2: Convert to fraction form
236,130.56/325,860.42 = 128,700.68/x - Step 3: Cross multiply
236,130.56x = 325,860.42 × 128,700.68 - Step 4: Simplify right side
236,130.56x = 41,938,457,639.09 - Step 5: Solve for x
x = 41,938,457,639.09/236,130.56 - Step 6: Final answer
x = 177,607.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.