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Finding the Fourth Proportional to 220,896, 331,344 and 54,684

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Solution

The fourth proportional to 220,896, 331,344 and 54,684 is: 82,026

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,896 : 331,344 = 54,684 : x
  2. Step 2: Convert to fraction form
    220,896/331,344 = 54,684/x
  3. Step 3: Cross multiply
    220,896x = 331,344 × 54,684
  4. Step 4: Simplify right side
    220,896x = 18,119,215,296
  5. Step 5: Solve for x
    x = 18,119,215,296/220,896
  6. Step 6: Final answer
    x = 82,026

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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.