Home / 396,532.50-547,200.02-215,240.53

Finding the Fourth Proportional to 396,532.50, 547,200.02 and 215,240.53

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Solution

The fourth proportional to 396,532.50, 547,200.02 and 215,240.53 is: 297,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,532.50 : 547,200.02 = 215,240.53 : x
  2. Step 2: Convert to fraction form
    396,532.50/547,200.02 = 215,240.53/x
  3. Step 3: Cross multiply
    396,532.50x = 547,200.02 × 215,240.53
  4. Step 4: Simplify right side
    396,532.50x = 117,779,622,320.81
  5. Step 5: Solve for x
    x = 117,779,622,320.81/396,532.50
  6. Step 6: Final answer
    x = 297,023.88

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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.