Home / 231,517.78-347,039.88-156,645.83

Finding the Fourth Proportional to 231,517.78, 347,039.88 and 156,645.83

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Solution

The fourth proportional to 231,517.78, 347,039.88 and 156,645.83 is: 234,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,517.78 : 347,039.88 = 156,645.83 : x
  2. Step 2: Convert to fraction form
    231,517.78/347,039.88 = 156,645.83/x
  3. Step 3: Cross multiply
    231,517.78x = 347,039.88 × 156,645.83
  4. Step 4: Simplify right side
    231,517.78x = 54,362,350,325.88
  5. Step 5: Solve for x
    x = 54,362,350,325.88/231,517.78
  6. Step 6: Final answer
    x = 234,808.54

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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.