Home / 229,986.40-344,979.60-80,176.90

Finding the Fourth Proportional to 229,986.40, 344,979.60 and 80,176.90

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Solution

The fourth proportional to 229,986.40, 344,979.60 and 80,176.90 is: 120,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,986.40 : 344,979.60 = 80,176.90 : x
  2. Step 2: Convert to fraction form
    229,986.40/344,979.60 = 80,176.90/x
  3. Step 3: Cross multiply
    229,986.40x = 344,979.60 × 80,176.90
  4. Step 4: Simplify right side
    229,986.40x = 27,659,394,891.24
  5. Step 5: Solve for x
    x = 27,659,394,891.24/229,986.40
  6. Step 6: Final answer
    x = 120,265.35

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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.