Home / 271,968.49-408,086.39-122,314.51

Finding the Fourth Proportional to 271,968.49, 408,086.39 and 122,314.51

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Solution

The fourth proportional to 271,968.49, 408,086.39 and 122,314.51 is: 183,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,968.49 : 408,086.39 = 122,314.51 : x
  2. Step 2: Convert to fraction form
    271,968.49/408,086.39 = 122,314.51/x
  3. Step 3: Cross multiply
    271,968.49x = 408,086.39 × 122,314.51
  4. Step 4: Simplify right side
    271,968.49x = 49,914,886,830.52
  5. Step 5: Solve for x
    x = 49,914,886,830.52/271,968.49
  6. Step 6: Final answer
    x = 183,531.87

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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.