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Finding the Fourth Proportional to 263,577.28, 395,366.72 and 63,896.88

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Solution

The fourth proportional to 263,577.28, 395,366.72 and 63,896.88 is: 95,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,577.28 : 395,366.72 = 63,896.88 : x
  2. Step 2: Convert to fraction form
    263,577.28/395,366.72 = 63,896.88/x
  3. Step 3: Cross multiply
    263,577.28x = 395,366.72 × 63,896.88
  4. Step 4: Simplify right side
    263,577.28x = 25,262,699,863.83
  5. Step 5: Solve for x
    x = 25,262,699,863.83/263,577.28
  6. Step 6: Final answer
    x = 95,845.51

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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.