Home / 248,761.57-343,291.08-141,331.78

Finding the Fourth Proportional to 248,761.57, 343,291.08 and 141,331.78

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Solution

The fourth proportional to 248,761.57, 343,291.08 and 141,331.78 is: 195,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,761.57 : 343,291.08 = 141,331.78 : x
  2. Step 2: Convert to fraction form
    248,761.57/343,291.08 = 141,331.78/x
  3. Step 3: Cross multiply
    248,761.57x = 343,291.08 × 141,331.78
  4. Step 4: Simplify right side
    248,761.57x = 48,517,939,394.52
  5. Step 5: Solve for x
    x = 48,517,939,394.52/248,761.57
  6. Step 6: Final answer
    x = 195,037.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.