Home / 262,839.83-394,292.56-102,895.11

Finding the Fourth Proportional to 262,839.83, 394,292.56 and 102,895.11

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Solution

The fourth proportional to 262,839.83, 394,292.56 and 102,895.11 is: 154,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,839.83 : 394,292.56 = 102,895.11 : x
  2. Step 2: Convert to fraction form
    262,839.83/394,292.56 = 102,895.11/x
  3. Step 3: Cross multiply
    262,839.83x = 394,292.56 × 102,895.11
  4. Step 4: Simplify right side
    262,839.83x = 40,570,773,847.44
  5. Step 5: Solve for x
    x = 40,570,773,847.44/262,839.83
  6. Step 6: Final answer
    x = 154,355.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.