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Finding the Fourth Proportional to 451,772.32, 623,459.28 and 250,564

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Solution

The fourth proportional to 451,772.32, 623,459.28 and 250,564 is: 345,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,772.32 : 623,459.28 = 250,564 : x
  2. Step 2: Convert to fraction form
    451,772.32/623,459.28 = 250,564/x
  3. Step 3: Cross multiply
    451,772.32x = 623,459.28 × 250,564
  4. Step 4: Simplify right side
    451,772.32x = 156,216,451,033.92
  5. Step 5: Solve for x
    x = 156,216,451,033.92/451,772.32
  6. Step 6: Final answer
    x = 345,785.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.