Finding the Fourth Proportional to 351,489.88, 527,125.74 and 126,821.14
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Solution
The fourth proportional to 351,489.88, 527,125.74 and 126,821.14 is: 190,192.35
Step by Step Solution
- Step 1: Write the proportion equation
351,489.88 : 527,125.74 = 126,821.14 : x - Step 2: Convert to fraction form
351,489.88/527,125.74 = 126,821.14/x - Step 3: Cross multiply
351,489.88x = 527,125.74 × 126,821.14 - Step 4: Simplify right side
351,489.88x = 66,850,687,270.14 - Step 5: Solve for x
x = 66,850,687,270.14/351,489.88 - Step 6: Final answer
x = 190,192.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.