Home / 260,578.76-391,226.87-132,581.55

Finding the Fourth Proportional to 260,578.76, 391,226.87 and 132,581.55

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Solution

The fourth proportional to 260,578.76, 391,226.87 and 132,581.55 is: 199,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,578.76 : 391,226.87 = 132,581.55 : x
  2. Step 2: Convert to fraction form
    260,578.76/391,226.87 = 132,581.55/x
  3. Step 3: Cross multiply
    260,578.76x = 391,226.87 × 132,581.55
  4. Step 4: Simplify right side
    260,578.76x = 51,869,465,157.70
  5. Step 5: Solve for x
    x = 51,869,465,157.70/260,578.76
  6. Step 6: Final answer
    x = 199,054.84

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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.