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Finding the Fourth Proportional to 230,012.68, 344,909.70 and 80,234.80

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Solution

The fourth proportional to 230,012.68, 344,909.70 and 80,234.80 is: 120,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,012.68 : 344,909.70 = 80,234.80 : x
  2. Step 2: Convert to fraction form
    230,012.68/344,909.70 = 80,234.80/x
  3. Step 3: Cross multiply
    230,012.68x = 344,909.70 × 80,234.80
  4. Step 4: Simplify right side
    230,012.68x = 27,673,760,797.56
  5. Step 5: Solve for x
    x = 27,673,760,797.56/230,012.68
  6. Step 6: Final answer
    x = 120,314.07

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1.5x scale

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.