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Finding the Fourth Proportional to 300,329.78, 414,414.09 and 179,445.38

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Solution

The fourth proportional to 300,329.78, 414,414.09 and 179,445.38 is: 247,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,329.78 : 414,414.09 = 179,445.38 : x
  2. Step 2: Convert to fraction form
    300,329.78/414,414.09 = 179,445.38/x
  3. Step 3: Cross multiply
    300,329.78x = 414,414.09 × 179,445.38
  4. Step 4: Simplify right side
    300,329.78x = 74,364,691,785.33
  5. Step 5: Solve for x
    x = 74,364,691,785.33/300,329.78
  6. Step 6: Final answer
    x = 247,610.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.