Home / 220,656.22-331,033.50-80,414.85

Finding the Fourth Proportional to 220,656.22, 331,033.50 and 80,414.85

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Solution

The fourth proportional to 220,656.22, 331,033.50 and 80,414.85 is: 120,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,656.22 : 331,033.50 = 80,414.85 : x
  2. Step 2: Convert to fraction form
    220,656.22/331,033.50 = 80,414.85/x
  3. Step 3: Cross multiply
    220,656.22x = 331,033.50 × 80,414.85
  4. Step 4: Simplify right side
    220,656.22x = 26,620,009,247.48
  5. Step 5: Solve for x
    x = 26,620,009,247.48/220,656.22
  6. Step 6: Final answer
    x = 120,640.19

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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.