Home / 227,447.32-313,879.38-131,955.64

Finding the Fourth Proportional to 227,447.32, 313,879.38 and 131,955.64

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Solution

The fourth proportional to 227,447.32, 313,879.38 and 131,955.64 is: 182,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,447.32 : 313,879.38 = 131,955.64 : x
  2. Step 2: Convert to fraction form
    227,447.32/313,879.38 = 131,955.64/x
  3. Step 3: Cross multiply
    227,447.32x = 313,879.38 × 131,955.64
  4. Step 4: Simplify right side
    227,447.32x = 41,418,154,470.70
  5. Step 5: Solve for x
    x = 41,418,154,470.70/227,447.32
  6. Step 6: Final answer
    x = 182,099.99

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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.