Home / 263,485.44-395,292.96-76,498.56

Finding the Fourth Proportional to 263,485.44, 395,292.96 and 76,498.56

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Solution

The fourth proportional to 263,485.44, 395,292.96 and 76,498.56 is: 114,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,485.44 : 395,292.96 = 76,498.56 : x
  2. Step 2: Convert to fraction form
    263,485.44/395,292.96 = 76,498.56/x
  3. Step 3: Cross multiply
    263,485.44x = 395,292.96 × 76,498.56
  4. Step 4: Simplify right side
    263,485.44x = 30,239,342,218.14
  5. Step 5: Solve for x
    x = 30,239,342,218.14/263,485.44
  6. Step 6: Final answer
    x = 114,766.65

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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.