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Finding the Fourth Proportional to 396,673.75, 595,010.67 and 101,185.75

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Solution

The fourth proportional to 396,673.75, 595,010.67 and 101,185.75 is: 151,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,673.75 : 595,010.67 = 101,185.75 : x
  2. Step 2: Convert to fraction form
    396,673.75/595,010.67 = 101,185.75/x
  3. Step 3: Cross multiply
    396,673.75x = 595,010.67 × 101,185.75
  4. Step 4: Simplify right side
    396,673.75x = 60,206,600,901.95
  5. Step 5: Solve for x
    x = 60,206,600,901.95/396,673.75
  6. Step 6: Final answer
    x = 151,778.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.