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Finding the Fourth Proportional to 487,952.30, 731,924.40 and 132,965.75

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Solution

The fourth proportional to 487,952.30, 731,924.40 and 132,965.75 is: 199,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,952.30 : 731,924.40 = 132,965.75 : x
  2. Step 2: Convert to fraction form
    487,952.30/731,924.40 = 132,965.75/x
  3. Step 3: Cross multiply
    487,952.30x = 731,924.40 × 132,965.75
  4. Step 4: Simplify right side
    487,952.30x = 97,320,876,789.30
  5. Step 5: Solve for x
    x = 97,320,876,789.30/487,952.30
  6. Step 6: Final answer
    x = 199,447.52

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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.