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Finding the Fourth Proportional to 483,869.49, 725,951.85 and 247,378.24

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Solution

The fourth proportional to 483,869.49, 725,951.85 and 247,378.24 is: 371,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,869.49 : 725,951.85 = 247,378.24 : x
  2. Step 2: Convert to fraction form
    483,869.49/725,951.85 = 247,378.24/x
  3. Step 3: Cross multiply
    483,869.49x = 725,951.85 × 247,378.24
  4. Step 4: Simplify right side
    483,869.49x = 179,584,690,957.52
  5. Step 5: Solve for x
    x = 179,584,690,957.52/483,869.49
  6. Step 6: Final answer
    x = 371,142.83

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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.