Home / 269,869.11-404,733.02-80,278.43

Finding the Fourth Proportional to 269,869.11, 404,733.02 and 80,278.43

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Solution

The fourth proportional to 269,869.11, 404,733.02 and 80,278.43 is: 120,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,869.11 : 404,733.02 = 80,278.43 : x
  2. Step 2: Convert to fraction form
    269,869.11/404,733.02 = 80,278.43/x
  3. Step 3: Cross multiply
    269,869.11x = 404,733.02 × 80,278.43
  4. Step 4: Simplify right side
    269,869.11x = 32,491,332,025.20
  5. Step 5: Solve for x
    x = 32,491,332,025.20/269,869.11
  6. Step 6: Final answer
    x = 120,396.63

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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.