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Finding the Fourth Proportional to 499,280.52, 748,920.80 and 166,856.52

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Solution

The fourth proportional to 499,280.52, 748,920.80 and 166,856.52 is: 250,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,280.52 : 748,920.80 = 166,856.52 : x
  2. Step 2: Convert to fraction form
    499,280.52/748,920.80 = 166,856.52/x
  3. Step 3: Cross multiply
    499,280.52x = 748,920.80 × 166,856.52
  4. Step 4: Simplify right side
    499,280.52x = 124,962,318,443.62
  5. Step 5: Solve for x
    x = 124,962,318,443.62/499,280.52
  6. Step 6: Final answer
    x = 250,284.79

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Similar ratio
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1.5x scale

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.