Home / 263,965.76-395,940.88-64,283.24

Finding the Fourth Proportional to 263,965.76, 395,940.88 and 64,283.24

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Solution

The fourth proportional to 263,965.76, 395,940.88 and 64,283.24 is: 96,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,965.76 : 395,940.88 = 64,283.24 : x
  2. Step 2: Convert to fraction form
    263,965.76/395,940.88 = 64,283.24/x
  3. Step 3: Cross multiply
    263,965.76x = 395,940.88 × 64,283.24
  4. Step 4: Simplify right side
    263,965.76x = 25,452,360,313.73
  5. Step 5: Solve for x
    x = 25,452,360,313.73/263,965.76
  6. Step 6: Final answer
    x = 96,422.96

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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.