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Finding the Fourth Proportional to 247,562.87, 371,340.32 and 79,082.10

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Solution

The fourth proportional to 247,562.87, 371,340.32 and 79,082.10 is: 118,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,562.87 : 371,340.32 = 79,082.10 : x
  2. Step 2: Convert to fraction form
    247,562.87/371,340.32 = 79,082.10/x
  3. Step 3: Cross multiply
    247,562.87x = 371,340.32 × 79,082.10
  4. Step 4: Simplify right side
    247,562.87x = 29,366,371,924.86
  5. Step 5: Solve for x
    x = 29,366,371,924.86/247,562.87
  6. Step 6: Final answer
    x = 118,621.88

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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.