Home / 269,820.44-404,660.11-80,229.75

Finding the Fourth Proportional to 269,820.44, 404,660.11 and 80,229.75

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Solution

The fourth proportional to 269,820.44, 404,660.11 and 80,229.75 is: 120,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,820.44 : 404,660.11 = 80,229.75 : x
  2. Step 2: Convert to fraction form
    269,820.44/404,660.11 = 80,229.75/x
  3. Step 3: Cross multiply
    269,820.44x = 404,660.11 × 80,229.75
  4. Step 4: Simplify right side
    269,820.44x = 32,465,779,460.27
  5. Step 5: Solve for x
    x = 32,465,779,460.27/269,820.44
  6. Step 6: Final answer
    x = 120,323.65

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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.