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Finding the Fourth Proportional to 317,524.46, 476,092.89 and 134,940.13

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Solution

The fourth proportional to 317,524.46, 476,092.89 and 134,940.13 is: 202,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,524.46 : 476,092.89 = 134,940.13 : x
  2. Step 2: Convert to fraction form
    317,524.46/476,092.89 = 134,940.13/x
  3. Step 3: Cross multiply
    317,524.46x = 476,092.89 × 134,940.13
  4. Step 4: Simplify right side
    317,524.46x = 64,244,035,278.44
  5. Step 5: Solve for x
    x = 64,244,035,278.44/317,524.46
  6. Step 6: Final answer
    x = 202,327.83

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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.