Finding the Fourth Proportional to 351,417.83, 527,121.99 and 85,180.68
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Solution
The fourth proportional to 351,417.83, 527,121.99 and 85,180.68 is: 127,769.87
Step by Step Solution
- Step 1: Write the proportion equation
351,417.83 : 527,121.99 = 85,180.68 : x - Step 2: Convert to fraction form
351,417.83/527,121.99 = 85,180.68/x - Step 3: Cross multiply
351,417.83x = 527,121.99 × 85,180.68 - Step 4: Simplify right side
351,417.83x = 44,900,609,551.15 - Step 5: Solve for x
x = 44,900,609,551.15/351,417.83 - Step 6: Final answer
x = 127,769.87
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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.