Home / 274,524.11-378,847.14-158,173.28

Finding the Fourth Proportional to 274,524.11, 378,847.14 and 158,173.28

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Solution

The fourth proportional to 274,524.11, 378,847.14 and 158,173.28 is: 218,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,524.11 : 378,847.14 = 158,173.28 : x
  2. Step 2: Convert to fraction form
    274,524.11/378,847.14 = 158,173.28/x
  3. Step 3: Cross multiply
    274,524.11x = 378,847.14 × 158,173.28
  4. Step 4: Simplify right side
    274,524.11x = 59,923,494,872.01
  5. Step 5: Solve for x
    x = 59,923,494,872.01/274,524.11
  6. Step 6: Final answer
    x = 218,281.36

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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.