Home / 231,441.80-347,316.30-131,601.80

Finding the Fourth Proportional to 231,441.80, 347,316.30 and 131,601.80

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Solution

The fourth proportional to 231,441.80, 347,316.30 and 131,601.80 is: 197,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,441.80 : 347,316.30 = 131,601.80 : x
  2. Step 2: Convert to fraction form
    231,441.80/347,316.30 = 131,601.80/x
  3. Step 3: Cross multiply
    231,441.80x = 347,316.30 × 131,601.80
  4. Step 4: Simplify right side
    231,441.80x = 45,707,450,249.34
  5. Step 5: Solve for x
    x = 45,707,450,249.34/231,441.80
  6. Step 6: Final answer
    x = 197,490.04

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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.