Home / 269,834.12-404,714.21-80,323.72

Finding the Fourth Proportional to 269,834.12, 404,714.21 and 80,323.72

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Solution

The fourth proportional to 269,834.12, 404,714.21 and 80,323.72 is: 120,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,834.12 : 404,714.21 = 80,323.72 : x
  2. Step 2: Convert to fraction form
    269,834.12/404,714.21 = 80,323.72/x
  3. Step 3: Cross multiply
    269,834.12x = 404,714.21 × 80,323.72
  4. Step 4: Simplify right side
    269,834.12x = 32,508,149,470.66
  5. Step 5: Solve for x
    x = 32,508,149,470.66/269,834.12
  6. Step 6: Final answer
    x = 120,474.57

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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.