Home / 274,942.26-379,418.67-167,489.46

Finding the Fourth Proportional to 274,942.26, 379,418.67 and 167,489.46

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Solution

The fourth proportional to 274,942.26, 379,418.67 and 167,489.46 is: 231,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,942.26 : 379,418.67 = 167,489.46 : x
  2. Step 2: Convert to fraction form
    274,942.26/379,418.67 = 167,489.46/x
  3. Step 3: Cross multiply
    274,942.26x = 379,418.67 × 167,489.46
  4. Step 4: Simplify right side
    274,942.26x = 63,548,628,152.22
  5. Step 5: Solve for x
    x = 63,548,628,152.22/274,942.26
  6. Step 6: Final answer
    x = 231,134.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.