Home / 260,979.44-391,508.03-120,752.24

Finding the Fourth Proportional to 260,979.44, 391,508.03 and 120,752.24

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Solution

The fourth proportional to 260,979.44, 391,508.03 and 120,752.24 is: 181,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,979.44 : 391,508.03 = 120,752.24 : x
  2. Step 2: Convert to fraction form
    260,979.44/391,508.03 = 120,752.24/x
  3. Step 3: Cross multiply
    260,979.44x = 391,508.03 × 120,752.24
  4. Step 4: Simplify right side
    260,979.44x = 47,275,469,944.83
  5. Step 5: Solve for x
    x = 47,275,469,944.83/260,979.44
  6. Step 6: Final answer
    x = 181,146.34

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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.