Home / 396,827.20-547,648.86-224,743

Finding the Fourth Proportional to 396,827.20, 547,648.86 and 224,743

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Solution

The fourth proportional to 396,827.20, 547,648.86 and 224,743 is: 310,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,827.20 : 547,648.86 = 224,743 : x
  2. Step 2: Convert to fraction form
    396,827.20/547,648.86 = 224,743/x
  3. Step 3: Cross multiply
    396,827.20x = 547,648.86 × 224,743
  4. Step 4: Simplify right side
    396,827.20x = 123,080,247,742.98
  5. Step 5: Solve for x
    x = 123,080,247,742.98/396,827.20
  6. Step 6: Final answer
    x = 310,160.81

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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.