Home / 396,545.48-547,233.46-215,257.53

Finding the Fourth Proportional to 396,545.48, 547,233.46 and 215,257.53

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Solution

The fourth proportional to 396,545.48, 547,233.46 and 215,257.53 is: 297,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,545.48 : 547,233.46 = 215,257.53 : x
  2. Step 2: Convert to fraction form
    396,545.48/547,233.46 = 215,257.53/x
  3. Step 3: Cross multiply
    396,545.48x = 547,233.46 × 215,257.53
  4. Step 4: Simplify right side
    396,545.48x = 117,796,121,856.67
  5. Step 5: Solve for x
    x = 117,796,121,856.67/396,545.48
  6. Step 6: Final answer
    x = 297,055.77

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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.