Home / 263,697.07-395,556.54-76,708.57

Finding the Fourth Proportional to 263,697.07, 395,556.54 and 76,708.57

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Solution

The fourth proportional to 263,697.07, 395,556.54 and 76,708.57 is: 115,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,697.07 : 395,556.54 = 76,708.57 : x
  2. Step 2: Convert to fraction form
    263,697.07/395,556.54 = 76,708.57/x
  3. Step 3: Cross multiply
    263,697.07x = 395,556.54 × 76,708.57
  4. Step 4: Simplify right side
    263,697.07x = 30,342,576,218.41
  5. Step 5: Solve for x
    x = 30,342,576,218.41/263,697.07
  6. Step 6: Final answer
    x = 115,066.04

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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.