Home / 263,853.77-395,780.97-64,172.78

Finding the Fourth Proportional to 263,853.77, 395,780.97 and 64,172.78

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Solution

The fourth proportional to 263,853.77, 395,780.97 and 64,172.78 is: 96,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,853.77 : 395,780.97 = 64,172.78 : x
  2. Step 2: Convert to fraction form
    263,853.77/395,780.97 = 64,172.78/x
  3. Step 3: Cross multiply
    263,853.77x = 395,780.97 × 64,172.78
  4. Step 4: Simplify right side
    263,853.77x = 25,398,363,137.09
  5. Step 5: Solve for x
    x = 25,398,363,137.09/263,853.77
  6. Step 6: Final answer
    x = 96,259.24

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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.