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Finding the Fourth Proportional to 466,432.85, 699,699.27 and 129,474.92

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Solution

The fourth proportional to 466,432.85, 699,699.27 and 129,474.92 is: 194,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,432.85 : 699,699.27 = 129,474.92 : x
  2. Step 2: Convert to fraction form
    466,432.85/699,699.27 = 129,474.92/x
  3. Step 3: Cross multiply
    466,432.85x = 699,699.27 × 129,474.92
  4. Step 4: Simplify right side
    466,432.85x = 90,593,507,007.31
  5. Step 5: Solve for x
    x = 90,593,507,007.31/466,432.85
  6. Step 6: Final answer
    x = 194,226.26

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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.