Home / 260,766.66-391,086.77-71,227.91

Finding the Fourth Proportional to 260,766.66, 391,086.77 and 71,227.91

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Solution

The fourth proportional to 260,766.66, 391,086.77 and 71,227.91 is: 106,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,766.66 : 391,086.77 = 71,227.91 : x
  2. Step 2: Convert to fraction form
    260,766.66/391,086.77 = 71,227.91/x
  3. Step 3: Cross multiply
    260,766.66x = 391,086.77 × 71,227.91
  4. Step 4: Simplify right side
    260,766.66x = 27,856,290,944.18
  5. Step 5: Solve for x
    x = 27,856,290,944.18/260,766.66
  6. Step 6: Final answer
    x = 106,824.59

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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.