Home / 396,198.80-546,781.50-224,116.94

Finding the Fourth Proportional to 396,198.80, 546,781.50 and 224,116.94

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Solution

The fourth proportional to 396,198.80, 546,781.50 and 224,116.94 is: 309,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,198.80 : 546,781.50 = 224,116.94 : x
  2. Step 2: Convert to fraction form
    396,198.80/546,781.50 = 224,116.94/x
  3. Step 3: Cross multiply
    396,198.80x = 546,781.50 × 224,116.94
  4. Step 4: Simplify right side
    396,198.80x = 122,542,996,628.61
  5. Step 5: Solve for x
    x = 122,542,996,628.61/396,198.80
  6. Step 6: Final answer
    x = 309,296.74

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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.