Home / 274,608.44-378,941.68-153,748.60

Finding the Fourth Proportional to 274,608.44, 378,941.68 and 153,748.60

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Solution

The fourth proportional to 274,608.44, 378,941.68 and 153,748.60 is: 212,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,608.44 : 378,941.68 = 153,748.60 : x
  2. Step 2: Convert to fraction form
    274,608.44/378,941.68 = 153,748.60/x
  3. Step 3: Cross multiply
    274,608.44x = 378,941.68 × 153,748.60
  4. Step 4: Simplify right side
    274,608.44x = 58,261,752,781.65
  5. Step 5: Solve for x
    x = 58,261,752,781.65/274,608.44
  6. Step 6: Final answer
    x = 212,163.01

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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.