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Finding the Fourth Proportional to 317,123.80, 475,755.68 and 92,501.82

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Solution

The fourth proportional to 317,123.80, 475,755.68 and 92,501.82 is: 138,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,123.80 : 475,755.68 = 92,501.82 : x
  2. Step 2: Convert to fraction form
    317,123.80/475,755.68 = 92,501.82/x
  3. Step 3: Cross multiply
    317,123.80x = 475,755.68 × 92,501.82
  4. Step 4: Simplify right side
    317,123.80x = 44,008,266,275.34
  5. Step 5: Solve for x
    x = 44,008,266,275.34/317,123.80
  6. Step 6: Final answer
    x = 138,773.14

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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.