Home / 240,338.60-360,540.30-82,615.40

Finding the Fourth Proportional to 240,338.60, 360,540.30 and 82,615.40

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Solution

The fourth proportional to 240,338.60, 360,540.30 and 82,615.40 is: 123,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,338.60 : 360,540.30 = 82,615.40 : x
  2. Step 2: Convert to fraction form
    240,338.60/360,540.30 = 82,615.40/x
  3. Step 3: Cross multiply
    240,338.60x = 360,540.30 × 82,615.40
  4. Step 4: Simplify right side
    240,338.60x = 29,786,181,100.62
  5. Step 5: Solve for x
    x = 29,786,181,100.62/240,338.60
  6. Step 6: Final answer
    x = 123,934.24

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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.