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Finding the Fourth Proportional to 625,637.70, 938,456.55 and 204,956.10

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Solution

The fourth proportional to 625,637.70, 938,456.55 and 204,956.10 is: 307,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,637.70 : 938,456.55 = 204,956.10 : x
  2. Step 2: Convert to fraction form
    625,637.70/938,456.55 = 204,956.10/x
  3. Step 3: Cross multiply
    625,637.70x = 938,456.55 × 204,956.10
  4. Step 4: Simplify right side
    625,637.70x = 192,342,394,507.46
  5. Step 5: Solve for x
    x = 192,342,394,507.46/625,637.70
  6. Step 6: Final answer
    x = 307,434.15

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Similar ratio
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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.