Home / 263,382.48-395,069.40-113,727.60

Finding the Fourth Proportional to 263,382.48, 395,069.40 and 113,727.60

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Solution

The fourth proportional to 263,382.48, 395,069.40 and 113,727.60 is: 170,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,382.48 : 395,069.40 = 113,727.60 : x
  2. Step 2: Convert to fraction form
    263,382.48/395,069.40 = 113,727.60/x
  3. Step 3: Cross multiply
    263,382.48x = 395,069.40 × 113,727.60
  4. Step 4: Simplify right side
    263,382.48x = 44,930,294,695.44
  5. Step 5: Solve for x
    x = 44,930,294,695.44/263,382.48
  6. Step 6: Final answer
    x = 170,589.53

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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.