Home / 494,447.90-682,338.94-268,093.40

Finding the Fourth Proportional to 494,447.90, 682,338.94 and 268,093.40

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Solution

The fourth proportional to 494,447.90, 682,338.94 and 268,093.40 is: 369,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,447.90 : 682,338.94 = 268,093.40 : x
  2. Step 2: Convert to fraction form
    494,447.90/682,338.94 = 268,093.40/x
  3. Step 3: Cross multiply
    494,447.90x = 682,338.94 × 268,093.40
  4. Step 4: Simplify right side
    494,447.90x = 182,930,562,295.07
  5. Step 5: Solve for x
    x = 182,930,562,295.07/494,447.90
  6. Step 6: Final answer
    x = 369,969.34

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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.