Home / 260,766.41-391,086.39-71,227.66

Finding the Fourth Proportional to 260,766.41, 391,086.39 and 71,227.66

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Solution

The fourth proportional to 260,766.41, 391,086.39 and 71,227.66 is: 106,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,766.41 : 391,086.39 = 71,227.66 : x
  2. Step 2: Convert to fraction form
    260,766.41/391,086.39 = 71,227.66/x
  3. Step 3: Cross multiply
    260,766.41x = 391,086.39 × 71,227.66
  4. Step 4: Simplify right side
    260,766.41x = 27,856,166,462.12
  5. Step 5: Solve for x
    x = 27,856,166,462.12/260,766.41
  6. Step 6: Final answer
    x = 106,824.21

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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.