Home / 271,998.30-408,055.05-82,443.10

Finding the Fourth Proportional to 271,998.30, 408,055.05 and 82,443.10

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Solution

The fourth proportional to 271,998.30, 408,055.05 and 82,443.10 is: 123,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,998.30 : 408,055.05 = 82,443.10 : x
  2. Step 2: Convert to fraction form
    271,998.30/408,055.05 = 82,443.10/x
  3. Step 3: Cross multiply
    271,998.30x = 408,055.05 × 82,443.10
  4. Step 4: Simplify right side
    271,998.30x = 33,641,323,292.66
  5. Step 5: Solve for x
    x = 33,641,323,292.66/271,998.30
  6. Step 6: Final answer
    x = 123,682.11

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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.