Home / 394,531.20-591,310.80-268,171.20

Finding the Fourth Proportional to 394,531.20, 591,310.80 and 268,171.20

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Solution

The fourth proportional to 394,531.20, 591,310.80 and 268,171.20 is: 401,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,531.20 : 591,310.80 = 268,171.20 : x
  2. Step 2: Convert to fraction form
    394,531.20/591,310.80 = 268,171.20/x
  3. Step 3: Cross multiply
    394,531.20x = 591,310.80 × 268,171.20
  4. Step 4: Simplify right side
    394,531.20x = 158,572,526,808.96
  5. Step 5: Solve for x
    x = 158,572,526,808.96/394,531.20
  6. Step 6: Final answer
    x = 401,926.46

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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.