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Finding the Fourth Proportional to 484,429.41, 726,644.52 and 231,650.28

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Solution

The fourth proportional to 484,429.41, 726,644.52 and 231,650.28 is: 347,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,429.41 : 726,644.52 = 231,650.28 : x
  2. Step 2: Convert to fraction form
    484,429.41/726,644.52 = 231,650.28/x
  3. Step 3: Cross multiply
    484,429.41x = 726,644.52 × 231,650.28
  4. Step 4: Simplify right side
    484,429.41x = 168,327,406,518.47
  5. Step 5: Solve for x
    x = 168,327,406,518.47/484,429.41
  6. Step 6: Final answer
    x = 347,475.61

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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.