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Finding the Fourth Proportional to 379,687.73, 569,249.71 and 229,892.40

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Solution

The fourth proportional to 379,687.73, 569,249.71 and 229,892.40 is: 344,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,687.73 : 569,249.71 = 229,892.40 : x
  2. Step 2: Convert to fraction form
    379,687.73/569,249.71 = 229,892.40/x
  3. Step 3: Cross multiply
    379,687.73x = 569,249.71 × 229,892.40
  4. Step 4: Simplify right side
    379,687.73x = 130,866,181,456.47
  5. Step 5: Solve for x
    x = 130,866,181,456.47/379,687.73
  6. Step 6: Final answer
    x = 344,667.93

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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.