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Finding the Fourth Proportional to 206,832.66, 310,264.71 and 80,418.59

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Solution

The fourth proportional to 206,832.66, 310,264.71 and 80,418.59 is: 120,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,832.66 : 310,264.71 = 80,418.59 : x
  2. Step 2: Convert to fraction form
    206,832.66/310,264.71 = 80,418.59/x
  3. Step 3: Cross multiply
    206,832.66x = 310,264.71 × 80,418.59
  4. Step 4: Simplify right side
    206,832.66x = 24,951,051,768.97
  5. Step 5: Solve for x
    x = 24,951,051,768.97/206,832.66
  6. Step 6: Final answer
    x = 120,634.00

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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.