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Finding the Fourth Proportional to 204,502.95, 306,843.72 and 71,478.66

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Solution

The fourth proportional to 204,502.95, 306,843.72 and 71,478.66 is: 107,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,502.95 : 306,843.72 = 71,478.66 : x
  2. Step 2: Convert to fraction form
    204,502.95/306,843.72 = 71,478.66/x
  3. Step 3: Cross multiply
    204,502.95x = 306,843.72 × 71,478.66
  4. Step 4: Simplify right side
    204,502.95x = 21,932,777,935.02
  5. Step 5: Solve for x
    x = 21,932,777,935.02/204,502.95
  6. Step 6: Final answer
    x = 107,249.20

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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.