Home / 230,815.98-345,735.54-146,531.43

Finding the Fourth Proportional to 230,815.98, 345,735.54 and 146,531.43

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Solution

The fourth proportional to 230,815.98, 345,735.54 and 146,531.43 is: 219,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,815.98 : 345,735.54 = 146,531.43 : x
  2. Step 2: Convert to fraction form
    230,815.98/345,735.54 = 146,531.43/x
  3. Step 3: Cross multiply
    230,815.98x = 345,735.54 × 146,531.43
  4. Step 4: Simplify right side
    230,815.98x = 50,661,123,078.02
  5. Step 5: Solve for x
    x = 50,661,123,078.02/230,815.98
  6. Step 6: Final answer
    x = 219,487.07

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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.