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Finding the Fourth Proportional to 247,737.60, 371,658.24 and 81,504

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Solution

The fourth proportional to 247,737.60, 371,658.24 and 81,504 is: 122,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,737.60 : 371,658.24 = 81,504 : x
  2. Step 2: Convert to fraction form
    247,737.60/371,658.24 = 81,504/x
  3. Step 3: Cross multiply
    247,737.60x = 371,658.24 × 81,504
  4. Step 4: Simplify right side
    247,737.60x = 30,291,633,192.96
  5. Step 5: Solve for x
    x = 30,291,633,192.96/247,737.60
  6. Step 6: Final answer
    x = 122,273.06

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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.