Home / 263,504.45-395,267.60-76,515.95

Finding the Fourth Proportional to 263,504.45, 395,267.60 and 76,515.95

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Solution

The fourth proportional to 263,504.45, 395,267.60 and 76,515.95 is: 114,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,504.45 : 395,267.60 = 76,515.95 : x
  2. Step 2: Convert to fraction form
    263,504.45/395,267.60 = 76,515.95/x
  3. Step 3: Cross multiply
    263,504.45x = 395,267.60 × 76,515.95
  4. Step 4: Simplify right side
    263,504.45x = 30,244,273,559.30
  5. Step 5: Solve for x
    x = 30,244,273,559.30/263,504.45
  6. Step 6: Final answer
    x = 114,777.09

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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.