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Finding the Fourth Proportional to 363,372.53, 501,449.20 and 202,227.54

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Solution

The fourth proportional to 363,372.53, 501,449.20 and 202,227.54 is: 279,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,372.53 : 501,449.20 = 202,227.54 : x
  2. Step 2: Convert to fraction form
    363,372.53/501,449.20 = 202,227.54/x
  3. Step 3: Cross multiply
    363,372.53x = 501,449.20 × 202,227.54
  4. Step 4: Simplify right side
    363,372.53x = 101,406,835,764.97
  5. Step 5: Solve for x
    x = 101,406,835,764.97/363,372.53
  6. Step 6: Final answer
    x = 279,071.28

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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.