Home / 300,331.78-414,416.85-179,447.38

Finding the Fourth Proportional to 300,331.78, 414,416.85 and 179,447.38

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Solution

The fourth proportional to 300,331.78, 414,416.85 and 179,447.38 is: 247,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,331.78 : 414,416.85 = 179,447.38 : x
  2. Step 2: Convert to fraction form
    300,331.78/414,416.85 = 179,447.38/x
  3. Step 3: Cross multiply
    300,331.78x = 414,416.85 × 179,447.38
  4. Step 4: Simplify right side
    300,331.78x = 74,366,017,960.35
  5. Step 5: Solve for x
    x = 74,366,017,960.35/300,331.78
  6. Step 6: Final answer
    x = 247,612.88

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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.