Home / 277,299.36-416,162.88-206,382.24

Finding the Fourth Proportional to 277,299.36, 416,162.88 and 206,382.24

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Solution

The fourth proportional to 277,299.36, 416,162.88 and 206,382.24 is: 309,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,299.36 : 416,162.88 = 206,382.24 : x
  2. Step 2: Convert to fraction form
    277,299.36/416,162.88 = 206,382.24/x
  3. Step 3: Cross multiply
    277,299.36x = 416,162.88 × 206,382.24
  4. Step 4: Simplify right side
    277,299.36x = 85,888,627,379.25
  5. Step 5: Solve for x
    x = 85,888,627,379.25/277,299.36
  6. Step 6: Final answer
    x = 309,732.51

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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.