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Finding the Fourth Proportional to 247,622.62, 371,489.01 and 89,847.58

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Solution

The fourth proportional to 247,622.62, 371,489.01 and 89,847.58 is: 134,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,622.62 : 371,489.01 = 89,847.58 : x
  2. Step 2: Convert to fraction form
    247,622.62/371,489.01 = 89,847.58/x
  3. Step 3: Cross multiply
    247,622.62x = 371,489.01 × 89,847.58
  4. Step 4: Simplify right side
    247,622.62x = 33,377,388,545.10
  5. Step 5: Solve for x
    x = 33,377,388,545.10/247,622.62
  6. Step 6: Final answer
    x = 134,791.36

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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.