Home / 260,785.68-391,175.04-83,290.32

Finding the Fourth Proportional to 260,785.68, 391,175.04 and 83,290.32

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Solution

The fourth proportional to 260,785.68, 391,175.04 and 83,290.32 is: 124,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,785.68 : 391,175.04 = 83,290.32 : x
  2. Step 2: Convert to fraction form
    260,785.68/391,175.04 = 83,290.32/x
  3. Step 3: Cross multiply
    260,785.68x = 391,175.04 × 83,290.32
  4. Step 4: Simplify right side
    260,785.68x = 32,581,094,257.61
  5. Step 5: Solve for x
    x = 32,581,094,257.61/260,785.68
  6. Step 6: Final answer
    x = 124,934.37

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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.