Home / 396,498.24-547,152.91-215,206.27

Finding the Fourth Proportional to 396,498.24, 547,152.91 and 215,206.27

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Solution

The fourth proportional to 396,498.24, 547,152.91 and 215,206.27 is: 296,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,498.24 : 547,152.91 = 215,206.27 : x
  2. Step 2: Convert to fraction form
    396,498.24/547,152.91 = 215,206.27/x
  3. Step 3: Cross multiply
    396,498.24x = 547,152.91 × 215,206.27
  4. Step 4: Simplify right side
    396,498.24x = 117,750,734,974.85
  5. Step 5: Solve for x
    x = 117,750,734,974.85/396,498.24
  6. Step 6: Final answer
    x = 296,976.69

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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.