Home / 260,194.27-388,192.31-231,795.39

Finding the Fourth Proportional to 260,194.27, 388,192.31 and 231,795.39

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Solution

The fourth proportional to 260,194.27, 388,192.31 and 231,795.39 is: 345,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,194.27 : 388,192.31 = 231,795.39 : x
  2. Step 2: Convert to fraction form
    260,194.27/388,192.31 = 231,795.39/x
  3. Step 3: Cross multiply
    260,194.27x = 388,192.31 × 231,795.39
  4. Step 4: Simplify right side
    260,194.27x = 89,981,186,732.47
  5. Step 5: Solve for x
    x = 89,981,186,732.47/260,194.27
  6. Step 6: Final answer
    x = 345,823.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.