Home / 263,708.33-395,573.45-76,719.83

Finding the Fourth Proportional to 263,708.33, 395,573.45 and 76,719.83

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Solution

The fourth proportional to 263,708.33, 395,573.45 and 76,719.83 is: 115,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,708.33 : 395,573.45 = 76,719.83 : x
  2. Step 2: Convert to fraction form
    263,708.33/395,573.45 = 76,719.83/x
  3. Step 3: Cross multiply
    263,708.33x = 395,573.45 × 76,719.83
  4. Step 4: Simplify right side
    263,708.33x = 30,348,325,475.05
  5. Step 5: Solve for x
    x = 30,348,325,475.05/263,708.33
  6. Step 6: Final answer
    x = 115,082.93

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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.