Home / 230,592.30-318,264.03-135,180.78

Finding the Fourth Proportional to 230,592.30, 318,264.03 and 135,180.78

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Solution

The fourth proportional to 230,592.30, 318,264.03 and 135,180.78 is: 186,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,592.30 : 318,264.03 = 135,180.78 : x
  2. Step 2: Convert to fraction form
    230,592.30/318,264.03 = 135,180.78/x
  3. Step 3: Cross multiply
    230,592.30x = 318,264.03 × 135,180.78
  4. Step 4: Simplify right side
    230,592.30x = 43,023,179,821.34
  5. Step 5: Solve for x
    x = 43,023,179,821.34/230,592.30
  6. Step 6: Final answer
    x = 186,576.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.