Home / 394,385.96-591,462.14-113,905.64

Finding the Fourth Proportional to 394,385.96, 591,462.14 and 113,905.64

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Solution

The fourth proportional to 394,385.96, 591,462.14 and 113,905.64 is: 170,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,385.96 : 591,462.14 = 113,905.64 : x
  2. Step 2: Convert to fraction form
    394,385.96/591,462.14 = 113,905.64/x
  3. Step 3: Cross multiply
    394,385.96x = 591,462.14 × 113,905.64
  4. Step 4: Simplify right side
    394,385.96x = 67,370,873,592.47
  5. Step 5: Solve for x
    x = 67,370,873,592.47/394,385.96
  6. Step 6: Final answer
    x = 170,824.73

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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.