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Finding the Fourth Proportional to 269,067.27, 403,601.42 and 252,625.81

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Solution

The fourth proportional to 269,067.27, 403,601.42 and 252,625.81 is: 378,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,067.27 : 403,601.42 = 252,625.81 : x
  2. Step 2: Convert to fraction form
    269,067.27/403,601.42 = 252,625.81/x
  3. Step 3: Cross multiply
    269,067.27x = 403,601.42 × 252,625.81
  4. Step 4: Simplify right side
    269,067.27x = 101,960,135,644.65
  5. Step 5: Solve for x
    x = 101,960,135,644.65/269,067.27
  6. Step 6: Final answer
    x = 378,939.20

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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.