Home / 271,912.02-408,006.09-122,121.60

Finding the Fourth Proportional to 271,912.02, 408,006.09 and 122,121.60

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Solution

The fourth proportional to 271,912.02, 408,006.09 and 122,121.60 is: 183,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,912.02 : 408,006.09 = 122,121.60 : x
  2. Step 2: Convert to fraction form
    271,912.02/408,006.09 = 122,121.60/x
  3. Step 3: Cross multiply
    271,912.02x = 408,006.09 × 122,121.60
  4. Step 4: Simplify right side
    271,912.02x = 49,826,356,520.54
  5. Step 5: Solve for x
    x = 49,826,356,520.54/271,912.02
  6. Step 6: Final answer
    x = 183,244.41

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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.