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Finding the Fourth Proportional to 531,701.52, 797,548.17 and 132,339.62

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Solution

The fourth proportional to 531,701.52, 797,548.17 and 132,339.62 is: 198,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,701.52 : 797,548.17 = 132,339.62 : x
  2. Step 2: Convert to fraction form
    531,701.52/797,548.17 = 132,339.62/x
  3. Step 3: Cross multiply
    531,701.52x = 797,548.17 × 132,339.62
  4. Step 4: Simplify right side
    531,701.52x = 105,547,221,087.80
  5. Step 5: Solve for x
    x = 105,547,221,087.80/531,701.52
  6. Step 6: Final answer
    x = 198,508.41

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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.