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Finding the Fourth Proportional to 247,385.17, 371,102.05 and 69,893.56

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Solution

The fourth proportional to 247,385.17, 371,102.05 and 69,893.56 is: 104,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,385.17 : 371,102.05 = 69,893.56 : x
  2. Step 2: Convert to fraction form
    247,385.17/371,102.05 = 69,893.56/x
  3. Step 3: Cross multiply
    247,385.17x = 371,102.05 × 69,893.56
  4. Step 4: Simplify right side
    247,385.17x = 25,937,641,542.29
  5. Step 5: Solve for x
    x = 25,937,641,542.29/247,385.17
  6. Step 6: Final answer
    x = 104,847.20

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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.