Home / 396,831.33-547,631.24-215,546.81

Finding the Fourth Proportional to 396,831.33, 547,631.24 and 215,546.81

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Solution

The fourth proportional to 396,831.33, 547,631.24 and 215,546.81 is: 297,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,831.33 : 547,631.24 = 215,546.81 : x
  2. Step 2: Convert to fraction form
    396,831.33/547,631.24 = 215,546.81/x
  3. Step 3: Cross multiply
    396,831.33x = 547,631.24 × 215,546.81
  4. Step 4: Simplify right side
    396,831.33x = 118,040,163,022.45
  5. Step 5: Solve for x
    x = 118,040,163,022.45/396,831.33
  6. Step 6: Final answer
    x = 297,456.76

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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.