Finding the Fourth Proportional to 423,362.17, 584,438.57 and 283,898.17
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Solution
The fourth proportional to 423,362.17, 584,438.57 and 283,898.17 is: 391,912.77
Step by Step Solution
- Step 1: Write the proportion equation
423,362.17 : 584,438.57 = 283,898.17 : x - Step 2: Convert to fraction form
423,362.17/584,438.57 = 283,898.17/x - Step 3: Cross multiply
423,362.17x = 584,438.57 × 283,898.17 - Step 4: Simplify right side
423,362.17x = 165,921,040,500.42 - Step 5: Solve for x
x = 165,921,040,500.42/423,362.17 - Step 6: Final answer
x = 391,912.77
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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.