Home / 221,249.28-331,407.30-150,215.52

Finding the Fourth Proportional to 221,249.28, 331,407.30 and 150,215.52

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Solution

The fourth proportional to 221,249.28, 331,407.30 and 150,215.52 is: 225,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,249.28 : 331,407.30 = 150,215.52 : x
  2. Step 2: Convert to fraction form
    221,249.28/331,407.30 = 150,215.52/x
  3. Step 3: Cross multiply
    221,249.28x = 331,407.30 × 150,215.52
  4. Step 4: Simplify right side
    221,249.28x = 49,782,519,901.30
  5. Step 5: Solve for x
    x = 49,782,519,901.30/221,249.28
  6. Step 6: Final answer
    x = 225,006.47

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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.