Home / 247,899.38-371,791.56-121,413.43

Finding the Fourth Proportional to 247,899.38, 371,791.56 and 121,413.43

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Solution

The fourth proportional to 247,899.38, 371,791.56 and 121,413.43 is: 182,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,899.38 : 371,791.56 = 121,413.43 : x
  2. Step 2: Convert to fraction form
    247,899.38/371,791.56 = 121,413.43/x
  3. Step 3: Cross multiply
    247,899.38x = 371,791.56 × 121,413.43
  4. Step 4: Simplify right side
    247,899.38x = 45,140,486,685.69
  5. Step 5: Solve for x
    x = 45,140,486,685.69/247,899.38
  6. Step 6: Final answer
    x = 182,091.97

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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.