Home / 396,548.10-547,237.08-215,260.16

Finding the Fourth Proportional to 396,548.10, 547,237.08 and 215,260.16

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Solution

The fourth proportional to 396,548.10, 547,237.08 and 215,260.16 is: 297,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,548.10 : 547,237.08 = 215,260.16 : x
  2. Step 2: Convert to fraction form
    396,548.10/547,237.08 = 215,260.16/x
  3. Step 3: Cross multiply
    396,548.10x = 547,237.08 × 215,260.16
  4. Step 4: Simplify right side
    396,548.10x = 117,798,341,398.73
  5. Step 5: Solve for x
    x = 117,798,341,398.73/396,548.10
  6. Step 6: Final answer
    x = 297,059.40

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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.