Home / 221,246.82-331,872.03-63,480.24

Finding the Fourth Proportional to 221,246.82, 331,872.03 and 63,480.24

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Solution

The fourth proportional to 221,246.82, 331,872.03 and 63,480.24 is: 95,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,246.82 : 331,872.03 = 63,480.24 : x
  2. Step 2: Convert to fraction form
    221,246.82/331,872.03 = 63,480.24/x
  3. Step 3: Cross multiply
    221,246.82x = 331,872.03 × 63,480.24
  4. Step 4: Simplify right side
    221,246.82x = 21,067,316,113.69
  5. Step 5: Solve for x
    x = 21,067,316,113.69/221,246.82
  6. Step 6: Final answer
    x = 95,220.88

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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.