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Finding the Fourth Proportional to 206,682.76, 310,093.13 and 80,327.04

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Solution

The fourth proportional to 206,682.76, 310,093.13 and 80,327.04 is: 120,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,682.76 : 310,093.13 = 80,327.04 : x
  2. Step 2: Convert to fraction form
    206,682.76/310,093.13 = 80,327.04/x
  3. Step 3: Cross multiply
    206,682.76x = 310,093.13 × 80,327.04
  4. Step 4: Simplify right side
    206,682.76x = 24,908,863,257.24
  5. Step 5: Solve for x
    x = 24,908,863,257.24/206,682.76
  6. Step 6: Final answer
    x = 120,517.37

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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.