Finding the Fourth Proportional to 387,469.59, 534,751.29 and 234,591.99
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Solution
The fourth proportional to 387,469.59, 534,751.29 and 234,591.99 is: 323,763.14
Step by Step Solution
- Step 1: Write the proportion equation
387,469.59 : 534,751.29 = 234,591.99 : x - Step 2: Convert to fraction form
387,469.59/534,751.29 = 234,591.99/x - Step 3: Cross multiply
387,469.59x = 534,751.29 × 234,591.99 - Step 4: Simplify right side
387,469.59x = 125,448,369,276.17 - Step 5: Solve for x
x = 125,448,369,276.17/387,469.59 - Step 6: Final answer
x = 323,763.14
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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.