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Finding the Fourth Proportional to 271,906.29, 375,217.25 and 157,174.02

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Solution

The fourth proportional to 271,906.29, 375,217.25 and 157,174.02 is: 216,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,906.29 : 375,217.25 = 157,174.02 : x
  2. Step 2: Convert to fraction form
    271,906.29/375,217.25 = 157,174.02/x
  3. Step 3: Cross multiply
    271,906.29x = 375,217.25 × 157,174.02
  4. Step 4: Simplify right side
    271,906.29x = 58,974,402,769.97
  5. Step 5: Solve for x
    x = 58,974,402,769.97/271,906.29
  6. Step 6: Final answer
    x = 216,892.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.