Home / 221,207.16-331,844.22-80,932.44

Finding the Fourth Proportional to 221,207.16, 331,844.22 and 80,932.44

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Solution

The fourth proportional to 221,207.16, 331,844.22 and 80,932.44 is: 121,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,207.16 : 331,844.22 = 80,932.44 : x
  2. Step 2: Convert to fraction form
    221,207.16/331,844.22 = 80,932.44/x
  3. Step 3: Cross multiply
    221,207.16x = 331,844.22 × 80,932.44
  4. Step 4: Simplify right side
    221,207.16x = 26,856,962,424.50
  5. Step 5: Solve for x
    x = 26,856,962,424.50/221,207.16
  6. Step 6: Final answer
    x = 121,410.91

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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.