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Finding the Fourth Proportional to 206,773.20, 310,086.90 and 94,507.20

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Solution

The fourth proportional to 206,773.20, 310,086.90 and 94,507.20 is: 141,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,773.20 : 310,086.90 = 94,507.20 : x
  2. Step 2: Convert to fraction form
    206,773.20/310,086.90 = 94,507.20/x
  3. Step 3: Cross multiply
    206,773.20x = 310,086.90 × 94,507.20
  4. Step 4: Simplify right side
    206,773.20x = 29,305,444,675.68
  5. Step 5: Solve for x
    x = 29,305,444,675.68/206,773.20
  6. Step 6: Final answer
    x = 141,727.48

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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.