Home / 396,827.20-547,625.56-215,542.67

Finding the Fourth Proportional to 396,827.20, 547,625.56 and 215,542.67

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Solution

The fourth proportional to 396,827.20, 547,625.56 and 215,542.67 is: 297,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,827.20 : 547,625.56 = 215,542.67 : x
  2. Step 2: Convert to fraction form
    396,827.20/547,625.56 = 215,542.67/x
  3. Step 3: Cross multiply
    396,827.20x = 547,625.56 × 215,542.67
  4. Step 4: Simplify right side
    396,827.20x = 118,036,674,284.93
  5. Step 5: Solve for x
    x = 118,036,674,284.93/396,827.20
  6. Step 6: Final answer
    x = 297,451.07

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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.