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Finding the Fourth Proportional to 327,519.60, 491,279.40 and 202,930.80

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Solution

The fourth proportional to 327,519.60, 491,279.40 and 202,930.80 is: 304,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,519.60 : 491,279.40 = 202,930.80 : x
  2. Step 2: Convert to fraction form
    327,519.60/491,279.40 = 202,930.80/x
  3. Step 3: Cross multiply
    327,519.60x = 491,279.40 × 202,930.80
  4. Step 4: Simplify right side
    327,519.60x = 99,695,721,665.52
  5. Step 5: Solve for x
    x = 99,695,721,665.52/327,519.60
  6. Step 6: Final answer
    x = 304,396.20

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1.5x scale

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.