Home / 327,680.96-491,639.78-114,480.34

Finding the Fourth Proportional to 327,680.96, 491,639.78 and 114,480.34

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Solution

The fourth proportional to 327,680.96, 491,639.78 and 114,480.34 is: 171,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,680.96 : 491,639.78 = 114,480.34 : x
  2. Step 2: Convert to fraction form
    327,680.96/491,639.78 = 114,480.34/x
  3. Step 3: Cross multiply
    327,680.96x = 491,639.78 × 114,480.34
  4. Step 4: Simplify right side
    327,680.96x = 56,283,089,171.93
  5. Step 5: Solve for x
    x = 56,283,089,171.93/327,680.96
  6. Step 6: Final answer
    x = 171,761.85

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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.