Home / 396,919.44-547,746.56-215,629.92

Finding the Fourth Proportional to 396,919.44, 547,746.56 and 215,629.92

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Solution

The fourth proportional to 396,919.44, 547,746.56 and 215,629.92 is: 297,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,919.44 : 547,746.56 = 215,629.92 : x
  2. Step 2: Convert to fraction form
    396,919.44/547,746.56 = 215,629.92/x
  3. Step 3: Cross multiply
    396,919.44x = 547,746.56 × 215,629.92
  4. Step 4: Simplify right side
    396,919.44x = 118,110,546,913.08
  5. Step 5: Solve for x
    x = 118,110,546,913.08/396,919.44
  6. Step 6: Final answer
    x = 297,568.06

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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.