Home / 259,418.01-386,548.23-231,120.66

Finding the Fourth Proportional to 259,418.01, 386,548.23 and 231,120.66

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Solution

The fourth proportional to 259,418.01, 386,548.23 and 231,120.66 is: 344,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,418.01 : 386,548.23 = 231,120.66 : x
  2. Step 2: Convert to fraction form
    259,418.01/386,548.23 = 231,120.66/x
  3. Step 3: Cross multiply
    259,418.01x = 386,548.23 × 231,120.66
  4. Step 4: Simplify right side
    259,418.01x = 89,339,282,039.43
  5. Step 5: Solve for x
    x = 89,339,282,039.43/259,418.01
  6. Step 6: Final answer
    x = 344,383.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.