Home / 300,918.15-451,552.19-123,552.45

Finding the Fourth Proportional to 300,918.15, 451,552.19 and 123,552.45

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Solution

The fourth proportional to 300,918.15, 451,552.19 and 123,552.45 is: 185,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,918.15 : 451,552.19 = 123,552.45 : x
  2. Step 2: Convert to fraction form
    300,918.15/451,552.19 = 123,552.45/x
  3. Step 3: Cross multiply
    300,918.15x = 451,552.19 × 123,552.45
  4. Step 4: Simplify right side
    300,918.15x = 55,790,378,759.60
  5. Step 5: Solve for x
    x = 55,790,378,759.60/300,918.15
  6. Step 6: Final answer
    x = 185,400.51

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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.