Home / 263,689.09-395,502.27-68,929.45

Finding the Fourth Proportional to 263,689.09, 395,502.27 and 68,929.45

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Solution

The fourth proportional to 263,689.09, 395,502.27 and 68,929.45 is: 103,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,689.09 : 395,502.27 = 68,929.45 : x
  2. Step 2: Convert to fraction form
    263,689.09/395,502.27 = 68,929.45/x
  3. Step 3: Cross multiply
    263,689.09x = 395,502.27 × 68,929.45
  4. Step 4: Simplify right side
    263,689.09x = 27,261,753,944.85
  5. Step 5: Solve for x
    x = 27,261,753,944.85/263,689.09
  6. Step 6: Final answer
    x = 103,385.98

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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.