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Finding the Fourth Proportional to 396,296.75, 594,320.34 and 129,995.39

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Solution

The fourth proportional to 396,296.75, 594,320.34 and 129,995.39 is: 194,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,296.75 : 594,320.34 = 129,995.39 : x
  2. Step 2: Convert to fraction form
    396,296.75/594,320.34 = 129,995.39/x
  3. Step 3: Cross multiply
    396,296.75x = 594,320.34 × 129,995.39
  4. Step 4: Simplify right side
    396,296.75x = 77,258,904,383.23
  5. Step 5: Solve for x
    x = 77,258,904,383.23/396,296.75
  6. Step 6: Final answer
    x = 194,952.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.