Home / 396,945.68-548,070.84-244,189.20

Finding the Fourth Proportional to 396,945.68, 548,070.84 and 244,189.20

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Solution

The fourth proportional to 396,945.68, 548,070.84 and 244,189.20 is: 337,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,945.68 : 548,070.84 = 244,189.20 : x
  2. Step 2: Convert to fraction form
    396,945.68/548,070.84 = 244,189.20/x
  3. Step 3: Cross multiply
    396,945.68x = 548,070.84 × 244,189.20
  4. Step 4: Simplify right side
    396,945.68x = 133,832,979,962.93
  5. Step 5: Solve for x
    x = 133,832,979,962.93/396,945.68
  6. Step 6: Final answer
    x = 337,156.91

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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.