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Finding the Fourth Proportional to 220,904, 331,356 and 54,692

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Solution

The fourth proportional to 220,904, 331,356 and 54,692 is: 82,038

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,904 : 331,356 = 54,692 : x
  2. Step 2: Convert to fraction form
    220,904/331,356 = 54,692/x
  3. Step 3: Cross multiply
    220,904x = 331,356 × 54,692
  4. Step 4: Simplify right side
    220,904x = 18,122,522,352
  5. Step 5: Solve for x
    x = 18,122,522,352/220,904
  6. Step 6: Final answer
    x = 82,038

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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.