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Finding the Fourth Proportional to 363,337.62, 501,402.29 and 202,189.91

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Solution

The fourth proportional to 363,337.62, 501,402.29 and 202,189.91 is: 279,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,337.62 : 501,402.29 = 202,189.91 : x
  2. Step 2: Convert to fraction form
    363,337.62/501,402.29 = 202,189.91/x
  3. Step 3: Cross multiply
    363,337.62x = 501,402.29 × 202,189.91
  4. Step 4: Simplify right side
    363,337.62x = 101,378,480,370.93
  5. Step 5: Solve for x
    x = 101,378,480,370.93/363,337.62
  6. Step 6: Final answer
    x = 279,020.05

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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.