Home / 396,467.31-547,125.44-215,179.25

Finding the Fourth Proportional to 396,467.31, 547,125.44 and 215,179.25

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Solution

The fourth proportional to 396,467.31, 547,125.44 and 215,179.25 is: 296,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,467.31 : 547,125.44 = 215,179.25 : x
  2. Step 2: Convert to fraction form
    396,467.31/547,125.44 = 215,179.25/x
  3. Step 3: Cross multiply
    396,467.31x = 547,125.44 × 215,179.25
  4. Step 4: Simplify right side
    396,467.31x = 117,730,038,023.60
  5. Step 5: Solve for x
    x = 117,730,038,023.60/396,467.31
  6. Step 6: Final answer
    x = 296,947.66

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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.