Finding the Fourth Proportional to 667,560.91, 1,001,470.26 and 218,160.55
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Solution
The fourth proportional to 667,560.91, 1,001,470.26 and 218,160.55 is: 327,282.95
Step by Step Solution
- Step 1: Write the proportion equation
667,560.91 : 1,001,470.26 = 218,160.55 : x - Step 2: Convert to fraction form
667,560.91/1,001,470.26 = 218,160.55/x - Step 3: Cross multiply
667,560.91x = 1,001,470.26 × 218,160.55 - Step 4: Simplify right side
667,560.91x = 218,481,302,730.24 - Step 5: Solve for x
x = 218,481,302,730.24/667,560.91 - Step 6: Final answer
x = 327,282.95
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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.