Home / 230,306.52-345,432.42-80,535.36

Finding the Fourth Proportional to 230,306.52, 345,432.42 and 80,535.36

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Solution

The fourth proportional to 230,306.52, 345,432.42 and 80,535.36 is: 120,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,306.52 : 345,432.42 = 80,535.36 : x
  2. Step 2: Convert to fraction form
    230,306.52/345,432.42 = 80,535.36/x
  3. Step 3: Cross multiply
    230,306.52x = 345,432.42 × 80,535.36
  4. Step 4: Simplify right side
    230,306.52x = 27,819,524,300.37
  5. Step 5: Solve for x
    x = 27,819,524,300.37/230,306.52
  6. Step 6: Final answer
    x = 120,793.47

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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.