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Finding the Fourth Proportional to 394,255.62, 591,471.18 and 113,751

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Solution

The fourth proportional to 394,255.62, 591,471.18 and 113,751 is: 170,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,255.62 : 591,471.18 = 113,751 : x
  2. Step 2: Convert to fraction form
    394,255.62/591,471.18 = 113,751/x
  3. Step 3: Cross multiply
    394,255.62x = 591,471.18 × 113,751
  4. Step 4: Simplify right side
    394,255.62x = 67,280,438,196.18
  5. Step 5: Solve for x
    x = 67,280,438,196.18/394,255.62
  6. Step 6: Final answer
    x = 170,651.82

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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.