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Finding the Fourth Proportional to 363,251.43, 501,227.91 and 202,102.34

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Solution

The fourth proportional to 363,251.43, 501,227.91 and 202,102.34 is: 278,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,251.43 : 501,227.91 = 202,102.34 : x
  2. Step 2: Convert to fraction form
    363,251.43/501,227.91 = 202,102.34/x
  3. Step 3: Cross multiply
    363,251.43x = 501,227.91 × 202,102.34
  4. Step 4: Simplify right side
    363,251.43x = 101,299,330,978.17
  5. Step 5: Solve for x
    x = 101,299,330,978.17/363,251.43
  6. Step 6: Final answer
    x = 278,868.36

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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.