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Finding the Fourth Proportional to 93,474, 140,211 and 27,810

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Solution

The fourth proportional to 93,474, 140,211 and 27,810 is: 41,715

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,474 : 140,211 = 27,810 : x
  2. Step 2: Convert to fraction form
    93,474/140,211 = 27,810/x
  3. Step 3: Cross multiply
    93,474x = 140,211 × 27,810
  4. Step 4: Simplify right side
    93,474x = 3,899,267,910
  5. Step 5: Solve for x
    x = 3,899,267,910/93,474
  6. Step 6: Final answer
    x = 41,715

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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.