Home / 274,126.88-378,180.46-213,592.41

Finding the Fourth Proportional to 274,126.88, 378,180.46 and 213,592.41

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Solution

The fourth proportional to 274,126.88, 378,180.46 and 213,592.41 is: 294,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,126.88 : 378,180.46 = 213,592.41 : x
  2. Step 2: Convert to fraction form
    274,126.88/378,180.46 = 213,592.41/x
  3. Step 3: Cross multiply
    274,126.88x = 378,180.46 × 213,592.41
  4. Step 4: Simplify right side
    274,126.88x = 80,776,476,133.30
  5. Step 5: Solve for x
    x = 80,776,476,133.30/274,126.88
  6. Step 6: Final answer
    x = 294,668.20

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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.