Home / 221,214.38-331,822.85-55,002.38

Finding the Fourth Proportional to 221,214.38, 331,822.85 and 55,002.38

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Solution

The fourth proportional to 221,214.38, 331,822.85 and 55,002.38 is: 82,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,214.38 : 331,822.85 = 55,002.38 : x
  2. Step 2: Convert to fraction form
    221,214.38/331,822.85 = 55,002.38/x
  3. Step 3: Cross multiply
    221,214.38x = 331,822.85 × 55,002.38
  4. Step 4: Simplify right side
    221,214.38x = 18,251,044,554.26
  5. Step 5: Solve for x
    x = 18,251,044,554.26/221,214.38
  6. Step 6: Final answer
    x = 82,503.88

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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.