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Finding the Fourth Proportional to 466,431.85, 699,697.77 and 129,473.92

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Solution

The fourth proportional to 466,431.85, 699,697.77 and 129,473.92 is: 194,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,431.85 : 699,697.77 = 129,473.92 : x
  2. Step 2: Convert to fraction form
    466,431.85/699,697.77 = 129,473.92/x
  3. Step 3: Cross multiply
    466,431.85x = 699,697.77 × 129,473.92
  4. Step 4: Simplify right side
    466,431.85x = 90,592,613,486.25
  5. Step 5: Solve for x
    x = 90,592,613,486.25/466,431.85
  6. Step 6: Final answer
    x = 194,224.76

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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.