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Finding the Fourth Proportional to 221,225.36, 331,839.36 and 55,013.36

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Solution

The fourth proportional to 221,225.36, 331,839.36 and 55,013.36 is: 82,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,225.36 : 331,839.36 = 55,013.36 : x
  2. Step 2: Convert to fraction form
    221,225.36/331,839.36 = 55,013.36/x
  3. Step 3: Cross multiply
    221,225.36x = 331,839.36 × 55,013.36
  4. Step 4: Simplify right side
    221,225.36x = 18,255,598,173.85
  5. Step 5: Solve for x
    x = 18,255,598,173.85/221,225.36
  6. Step 6: Final answer
    x = 82,520.37

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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.