Home / 221,013.28-331,472.94-63,199.36

Finding the Fourth Proportional to 221,013.28, 331,472.94 and 63,199.36

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Solution

The fourth proportional to 221,013.28, 331,472.94 and 63,199.36 is: 94,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,013.28 : 331,472.94 = 63,199.36 : x
  2. Step 2: Convert to fraction form
    221,013.28/331,472.94 = 63,199.36/x
  3. Step 3: Cross multiply
    221,013.28x = 331,472.94 × 63,199.36
  4. Step 4: Simplify right side
    221,013.28x = 20,948,877,665.32
  5. Step 5: Solve for x
    x = 20,948,877,665.32/221,013.28
  6. Step 6: Final answer
    x = 94,785.61

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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.