Home / 494,163.93-681,941.31-276,370.20

Finding the Fourth Proportional to 494,163.93, 681,941.31 and 276,370.20

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Solution

The fourth proportional to 494,163.93, 681,941.31 and 276,370.20 is: 381,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,163.93 : 681,941.31 = 276,370.20 : x
  2. Step 2: Convert to fraction form
    494,163.93/681,941.31 = 276,370.20/x
  3. Step 3: Cross multiply
    494,163.93x = 681,941.31 × 276,370.20
  4. Step 4: Simplify right side
    494,163.93x = 188,468,256,232.96
  5. Step 5: Solve for x
    x = 188,468,256,232.96/494,163.93
  6. Step 6: Final answer
    x = 381,388.13

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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.