Home / 396,541.74-547,229.08-215,254.02

Finding the Fourth Proportional to 396,541.74, 547,229.08 and 215,254.02

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Solution

The fourth proportional to 396,541.74, 547,229.08 and 215,254.02 is: 297,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,541.74 : 547,229.08 = 215,254.02 : x
  2. Step 2: Convert to fraction form
    396,541.74/547,229.08 = 215,254.02/x
  3. Step 3: Cross multiply
    396,541.74x = 547,229.08 × 215,254.02
  4. Step 4: Simplify right side
    396,541.74x = 117,793,259,330.90
  5. Step 5: Solve for x
    x = 117,793,259,330.90/396,541.74
  6. Step 6: Final answer
    x = 297,051.35

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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.