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Finding the Fourth Proportional to 393,335.88, 542,644.96 and 227,654.84

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Solution

The fourth proportional to 393,335.88, 542,644.96 and 227,654.84 is: 314,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,335.88 : 542,644.96 = 227,654.84 : x
  2. Step 2: Convert to fraction form
    393,335.88/542,644.96 = 227,654.84/x
  3. Step 3: Cross multiply
    393,335.88x = 542,644.96 × 227,654.84
  4. Step 4: Simplify right side
    393,335.88x = 123,535,751,545.61
  5. Step 5: Solve for x
    x = 123,535,751,545.61/393,335.88
  6. Step 6: Final answer
    x = 314,071.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.