Home / 263,965.64-395,760.42-123,647.72

Finding the Fourth Proportional to 263,965.64, 395,760.42 and 123,647.72

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Solution

The fourth proportional to 263,965.64, 395,760.42 and 123,647.72 is: 185,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,965.64 : 395,760.42 = 123,647.72 : x
  2. Step 2: Convert to fraction form
    263,965.64/395,760.42 = 123,647.72/x
  3. Step 3: Cross multiply
    263,965.64x = 395,760.42 × 123,647.72
  4. Step 4: Simplify right side
    263,965.64x = 48,934,873,599.24
  5. Step 5: Solve for x
    x = 48,934,873,599.24/263,965.64
  6. Step 6: Final answer
    x = 185,383.50

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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.