Home / 396,440.57-547,088.26-215,152.46

Finding the Fourth Proportional to 396,440.57, 547,088.26 and 215,152.46

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Solution

The fourth proportional to 396,440.57, 547,088.26 and 215,152.46 is: 296,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,440.57 : 547,088.26 = 215,152.46 : x
  2. Step 2: Convert to fraction form
    396,440.57/547,088.26 = 215,152.46/x
  3. Step 3: Cross multiply
    396,440.57x = 547,088.26 × 215,152.46
  4. Step 4: Simplify right side
    396,440.57x = 117,707,382,240.68
  5. Step 5: Solve for x
    x = 117,707,382,240.68/396,440.57
  6. Step 6: Final answer
    x = 296,910.54

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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.