Home / 396,439.06-547,086.19-215,150.94

Finding the Fourth Proportional to 396,439.06, 547,086.19 and 215,150.94

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Solution

The fourth proportional to 396,439.06, 547,086.19 and 215,150.94 is: 296,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,439.06 : 547,086.19 = 215,150.94 : x
  2. Step 2: Convert to fraction form
    396,439.06/547,086.19 = 215,150.94/x
  3. Step 3: Cross multiply
    396,439.06x = 547,086.19 × 215,150.94
  4. Step 4: Simplify right side
    396,439.06x = 117,706,108,039.52
  5. Step 5: Solve for x
    x = 117,706,108,039.52/396,439.06
  6. Step 6: Final answer
    x = 296,908.45

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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.