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Finding the Fourth Proportional to 275,167.56, 379,735.30 and 160,443.12

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Solution

The fourth proportional to 275,167.56, 379,735.30 and 160,443.12 is: 221,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,167.56 : 379,735.30 = 160,443.12 : x
  2. Step 2: Convert to fraction form
    275,167.56/379,735.30 = 160,443.12/x
  3. Step 3: Cross multiply
    275,167.56x = 379,735.30 × 160,443.12
  4. Step 4: Simplify right side
    275,167.56x = 60,925,916,306.14
  5. Step 5: Solve for x
    x = 60,925,916,306.14/275,167.56
  6. Step 6: Final answer
    x = 221,413.88

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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.