Home / 394,524.60-591,495.30-217,231.80

Finding the Fourth Proportional to 394,524.60, 591,495.30 and 217,231.80

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Solution

The fourth proportional to 394,524.60, 591,495.30 and 217,231.80 is: 325,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,524.60 : 591,495.30 = 217,231.80 : x
  2. Step 2: Convert to fraction form
    394,524.60/591,495.30 = 217,231.80/x
  3. Step 3: Cross multiply
    394,524.60x = 591,495.30 × 217,231.80
  4. Step 4: Simplify right side
    394,524.60x = 128,491,588,710.54
  5. Step 5: Solve for x
    x = 128,491,588,710.54/394,524.60
  6. Step 6: Final answer
    x = 325,687.14

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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.