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Finding the Fourth Proportional to 230,589.62, 345,989.51 and 118,348.65

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Solution

The fourth proportional to 230,589.62, 345,989.51 and 118,348.65 is: 177,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,589.62 : 345,989.51 = 118,348.65 : x
  2. Step 2: Convert to fraction form
    230,589.62/345,989.51 = 118,348.65/x
  3. Step 3: Cross multiply
    230,589.62x = 345,989.51 × 118,348.65
  4. Step 4: Simplify right side
    230,589.62x = 40,947,389,988.59
  5. Step 5: Solve for x
    x = 40,947,389,988.59/230,589.62
  6. Step 6: Final answer
    x = 177,576.90

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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.