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Finding the Fourth Proportional to 240,140.09, 360,210.12 and 90,413.97

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Solution

The fourth proportional to 240,140.09, 360,210.12 and 90,413.97 is: 135,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,140.09 : 360,210.12 = 90,413.97 : x
  2. Step 2: Convert to fraction form
    240,140.09/360,210.12 = 90,413.97/x
  3. Step 3: Cross multiply
    240,140.09x = 360,210.12 × 90,413.97
  4. Step 4: Simplify right side
    240,140.09x = 32,568,026,983.38
  5. Step 5: Solve for x
    x = 32,568,026,983.38/240,140.09
  6. Step 6: Final answer
    x = 135,620.95

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1.5x scale

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.