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Finding the Fourth Proportional to 454,132.38, 679,980.34 and 253,882.44

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Solution

The fourth proportional to 454,132.38, 679,980.34 and 253,882.44 is: 380,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,132.38 : 679,980.34 = 253,882.44 : x
  2. Step 2: Convert to fraction form
    454,132.38/679,980.34 = 253,882.44/x
  3. Step 3: Cross multiply
    454,132.38x = 679,980.34 × 253,882.44
  4. Step 4: Simplify right side
    454,132.38x = 172,635,067,871.23
  5. Step 5: Solve for x
    x = 172,635,067,871.23/454,132.38
  6. Step 6: Final answer
    x = 380,142.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.