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Finding the Fourth Proportional to 494,682.66, 741,524.36 and 238,138.43

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Solution

The fourth proportional to 494,682.66, 741,524.36 and 238,138.43 is: 356,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,682.66 : 741,524.36 = 238,138.43 : x
  2. Step 2: Convert to fraction form
    494,682.66/741,524.36 = 238,138.43/x
  3. Step 3: Cross multiply
    494,682.66x = 741,524.36 × 238,138.43
  4. Step 4: Simplify right side
    494,682.66x = 176,585,441,998.84
  5. Step 5: Solve for x
    x = 176,585,441,998.84/494,682.66
  6. Step 6: Final answer
    x = 356,967.12

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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.