Home / 274,346.21-378,524.76-188,331.50

Finding the Fourth Proportional to 274,346.21, 378,524.76 and 188,331.50

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Solution

The fourth proportional to 274,346.21, 378,524.76 and 188,331.50 is: 259,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,346.21 : 378,524.76 = 188,331.50 : x
  2. Step 2: Convert to fraction form
    274,346.21/378,524.76 = 188,331.50/x
  3. Step 3: Cross multiply
    274,346.21x = 378,524.76 × 188,331.50
  4. Step 4: Simplify right side
    274,346.21x = 71,288,135,837.94
  5. Step 5: Solve for x
    x = 71,288,135,837.94/274,346.21
  6. Step 6: Final answer
    x = 259,847.35

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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.