Home / 396,516.03-547,183.41-215,228.31

Finding the Fourth Proportional to 396,516.03, 547,183.41 and 215,228.31

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Solution

The fourth proportional to 396,516.03, 547,183.41 and 215,228.31 is: 297,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,516.03 : 547,183.41 = 215,228.31 : x
  2. Step 2: Convert to fraction form
    396,516.03/547,183.41 = 215,228.31/x
  3. Step 3: Cross multiply
    396,516.03x = 547,183.41 × 215,228.31
  4. Step 4: Simplify right side
    396,516.03x = 117,769,360,594.34
  5. Step 5: Solve for x
    x = 117,769,360,594.34/396,516.03
  6. Step 6: Final answer
    x = 297,010.34

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1.5x scale

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.