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Finding the Fourth Proportional to 484,193.88, 726,407.45 and 151,769.88

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Solution

The fourth proportional to 484,193.88, 726,407.45 and 151,769.88 is: 227,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,193.88 : 726,407.45 = 151,769.88 : x
  2. Step 2: Convert to fraction form
    484,193.88/726,407.45 = 151,769.88/x
  3. Step 3: Cross multiply
    484,193.88x = 726,407.45 × 151,769.88
  4. Step 4: Simplify right side
    484,193.88x = 110,246,771,517.61
  5. Step 5: Solve for x
    x = 110,246,771,517.61/484,193.88
  6. Step 6: Final answer
    x = 227,691.38

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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.