Home / 396,845.36-547,589.16-227,047.76

Finding the Fourth Proportional to 396,845.36, 547,589.16 and 227,047.76

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Solution

The fourth proportional to 396,845.36, 547,589.16 and 227,047.76 is: 313,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,845.36 : 547,589.16 = 227,047.76 : x
  2. Step 2: Convert to fraction form
    396,845.36/547,589.16 = 227,047.76/x
  3. Step 3: Cross multiply
    396,845.36x = 547,589.16 × 227,047.76
  4. Step 4: Simplify right side
    396,845.36x = 124,328,892,178.28
  5. Step 5: Solve for x
    x = 124,328,892,178.28/396,845.36
  6. Step 6: Final answer
    x = 313,293.05

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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.