Home / 269,708.47-404,643.19-80,175.15

Finding the Fourth Proportional to 269,708.47, 404,643.19 and 80,175.15

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Solution

The fourth proportional to 269,708.47, 404,643.19 and 80,175.15 is: 120,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,708.47 : 404,643.19 = 80,175.15 : x
  2. Step 2: Convert to fraction form
    269,708.47/404,643.19 = 80,175.15/x
  3. Step 3: Cross multiply
    269,708.47x = 404,643.19 × 80,175.15
  4. Step 4: Simplify right side
    269,708.47x = 32,442,328,254.29
  5. Step 5: Solve for x
    x = 32,442,328,254.29/269,708.47
  6. Step 6: Final answer
    x = 120,286.65

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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.