Finding the Fourth Proportional to 416,580.12, 574,881.12 and 225,593.84
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Solution
The fourth proportional to 416,580.12, 574,881.12 and 225,593.84 is: 311,319.80
Step by Step Solution
- Step 1: Write the proportion equation
416,580.12 : 574,881.12 = 225,593.84 : x - Step 2: Convert to fraction form
416,580.12/574,881.12 = 225,593.84/x - Step 3: Cross multiply
416,580.12x = 574,881.12 × 225,593.84 - Step 4: Simplify right side
416,580.12x = 129,689,639,404.30 - Step 5: Solve for x
x = 129,689,639,404.30/416,580.12 - Step 6: Final answer
x = 311,319.80
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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.