Home / 215,253.62-322,867.36-80,291.66

Finding the Fourth Proportional to 215,253.62, 322,867.36 and 80,291.66

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Solution

The fourth proportional to 215,253.62, 322,867.36 and 80,291.66 is: 120,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,253.62 : 322,867.36 = 80,291.66 : x
  2. Step 2: Convert to fraction form
    215,253.62/322,867.36 = 80,291.66/x
  3. Step 3: Cross multiply
    215,253.62x = 322,867.36 × 80,291.66
  4. Step 4: Simplify right side
    215,253.62x = 25,923,556,294.22
  5. Step 5: Solve for x
    x = 25,923,556,294.22/215,253.62
  6. Step 6: Final answer
    x = 120,432.61

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1.5x scale

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.