Home / 292,614.04-438,921.05-82,251.97

Finding the Fourth Proportional to 292,614.04, 438,921.05 and 82,251.97

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Solution

The fourth proportional to 292,614.04, 438,921.05 and 82,251.97 is: 123,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,614.04 : 438,921.05 = 82,251.97 : x
  2. Step 2: Convert to fraction form
    292,614.04/438,921.05 = 82,251.97/x
  3. Step 3: Cross multiply
    292,614.04x = 438,921.05 × 82,251.97
  4. Step 4: Simplify right side
    292,614.04x = 36,102,121,997.34
  5. Step 5: Solve for x
    x = 36,102,121,997.34/292,614.04
  6. Step 6: Final answer
    x = 123,377.96

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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.