Home / 271,930.50-407,604.15-131,379.30

Finding the Fourth Proportional to 271,930.50, 407,604.15 and 131,379.30

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Solution

The fourth proportional to 271,930.50, 407,604.15 and 131,379.30 is: 196,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,930.50 : 407,604.15 = 131,379.30 : x
  2. Step 2: Convert to fraction form
    271,930.50/407,604.15 = 131,379.30/x
  3. Step 3: Cross multiply
    271,930.50x = 407,604.15 × 131,379.30
  4. Step 4: Simplify right side
    271,930.50x = 53,550,747,904.10
  5. Step 5: Solve for x
    x = 53,550,747,904.10/271,930.50
  6. Step 6: Final answer
    x = 196,928.07

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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.