Home / 231,504.40-347,371.80-131,741.20

Finding the Fourth Proportional to 231,504.40, 347,371.80 and 131,741.20

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Solution

The fourth proportional to 231,504.40, 347,371.80 and 131,741.20 is: 197,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,504.40 : 347,371.80 = 131,741.20 : x
  2. Step 2: Convert to fraction form
    231,504.40/347,371.80 = 131,741.20/x
  3. Step 3: Cross multiply
    231,504.40x = 347,371.80 × 131,741.20
  4. Step 4: Simplify right side
    231,504.40x = 45,763,177,778.16
  5. Step 5: Solve for x
    x = 45,763,177,778.16/231,504.40
  6. Step 6: Final answer
    x = 197,677.36

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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.