Home / 263,353.40-395,122.26-76,376.12

Finding the Fourth Proportional to 263,353.40, 395,122.26 and 76,376.12

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Solution

The fourth proportional to 263,353.40, 395,122.26 and 76,376.12 is: 114,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,353.40 : 395,122.26 = 76,376.12 : x
  2. Step 2: Convert to fraction form
    263,353.40/395,122.26 = 76,376.12/x
  3. Step 3: Cross multiply
    263,353.40x = 395,122.26 × 76,376.12
  4. Step 4: Simplify right side
    263,353.40x = 30,177,905,144.43
  5. Step 5: Solve for x
    x = 30,177,905,144.43/263,353.40
  6. Step 6: Final answer
    x = 114,590.91

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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.