Home / 441,115.20-661,944.96-204,413.76

Finding the Fourth Proportional to 441,115.20, 661,944.96 and 204,413.76

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Solution

The fourth proportional to 441,115.20, 661,944.96 and 204,413.76 is: 306,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,115.20 : 661,944.96 = 204,413.76 : x
  2. Step 2: Convert to fraction form
    441,115.20/661,944.96 = 204,413.76/x
  3. Step 3: Cross multiply
    441,115.20x = 661,944.96 × 204,413.76
  4. Step 4: Simplify right side
    441,115.20x = 135,310,658,186.65
  5. Step 5: Solve for x
    x = 135,310,658,186.65/441,115.20
  6. Step 6: Final answer
    x = 306,746.76

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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.