Home / 420,836.97-580,755.01-229,850.82

Finding the Fourth Proportional to 420,836.97, 580,755.01 and 229,850.82

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Solution

The fourth proportional to 420,836.97, 580,755.01 and 229,850.82 is: 317,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,836.97 : 580,755.01 = 229,850.82 : x
  2. Step 2: Convert to fraction form
    420,836.97/580,755.01 = 229,850.82/x
  3. Step 3: Cross multiply
    420,836.97x = 580,755.01 × 229,850.82
  4. Step 4: Simplify right side
    420,836.97x = 133,487,015,267.61
  5. Step 5: Solve for x
    x = 133,487,015,267.61/420,836.97
  6. Step 6: Final answer
    x = 317,194.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.