Home / 396,549.10-547,238.46-215,261.16

Finding the Fourth Proportional to 396,549.10, 547,238.46 and 215,261.16

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Solution

The fourth proportional to 396,549.10, 547,238.46 and 215,261.16 is: 297,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,549.10 : 547,238.46 = 215,261.16 : x
  2. Step 2: Convert to fraction form
    396,549.10/547,238.46 = 215,261.16/x
  3. Step 3: Cross multiply
    396,549.10x = 547,238.46 × 215,261.16
  4. Step 4: Simplify right side
    396,549.10x = 117,799,185,696.21
  5. Step 5: Solve for x
    x = 117,799,185,696.21/396,549.10
  6. Step 6: Final answer
    x = 297,060.78

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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.