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Finding the Fourth Proportional to 80,884, 121,326 and 22,516

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Solution

The fourth proportional to 80,884, 121,326 and 22,516 is: 33,774

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884 : 121,326 = 22,516 : x
  2. Step 2: Convert to fraction form
    80,884/121,326 = 22,516/x
  3. Step 3: Cross multiply
    80,884x = 121,326 × 22,516
  4. Step 4: Simplify right side
    80,884x = 2,731,776,216
  5. Step 5: Solve for x
    x = 2,731,776,216/80,884
  6. Step 6: Final answer
    x = 33,774

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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.