Home / 263,328.78-395,052.45-83,425.05

Finding the Fourth Proportional to 263,328.78, 395,052.45 and 83,425.05

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Solution

The fourth proportional to 263,328.78, 395,052.45 and 83,425.05 is: 125,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,328.78 : 395,052.45 = 83,425.05 : x
  2. Step 2: Convert to fraction form
    263,328.78/395,052.45 = 83,425.05/x
  3. Step 3: Cross multiply
    263,328.78x = 395,052.45 × 83,425.05
  4. Step 4: Simplify right side
    263,328.78x = 32,957,270,393.87
  5. Step 5: Solve for x
    x = 32,957,270,393.87/263,328.78
  6. Step 6: Final answer
    x = 125,156.36

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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.