Home / 269,766.80-404,164.20-129,215.60

Finding the Fourth Proportional to 269,766.80, 404,164.20 and 129,215.60

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Solution

The fourth proportional to 269,766.80, 404,164.20 and 129,215.60 is: 193,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,766.80 : 404,164.20 = 129,215.60 : x
  2. Step 2: Convert to fraction form
    269,766.80/404,164.20 = 129,215.60/x
  3. Step 3: Cross multiply
    269,766.80x = 404,164.20 × 129,215.60
  4. Step 4: Simplify right side
    269,766.80x = 52,224,319,601.52
  5. Step 5: Solve for x
    x = 52,224,319,601.52/269,766.80
  6. Step 6: Final answer
    x = 193,590.61

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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.