Home / 263,355.12-395,253.90-113,708.52

Finding the Fourth Proportional to 263,355.12, 395,253.90 and 113,708.52

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Solution

The fourth proportional to 263,355.12, 395,253.90 and 113,708.52 is: 170,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,355.12 : 395,253.90 = 113,708.52 : x
  2. Step 2: Convert to fraction form
    263,355.12/395,253.90 = 113,708.52/x
  3. Step 3: Cross multiply
    263,355.12x = 395,253.90 × 113,708.52
  4. Step 4: Simplify right side
    263,355.12x = 44,943,735,993.23
  5. Step 5: Solve for x
    x = 44,943,735,993.23/263,355.12
  6. Step 6: Final answer
    x = 170,658.30

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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.