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Finding the Fourth Proportional to 494,735.52, 682,736.33 and 268,381.02

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Solution

The fourth proportional to 494,735.52, 682,736.33 and 268,381.02 is: 370,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,735.52 : 682,736.33 = 268,381.02 : x
  2. Step 2: Convert to fraction form
    494,735.52/682,736.33 = 268,381.02/x
  3. Step 3: Cross multiply
    494,735.52x = 682,736.33 × 268,381.02
  4. Step 4: Simplify right side
    494,735.52x = 183,233,473,570.06
  5. Step 5: Solve for x
    x = 183,233,473,570.06/494,735.52
  6. Step 6: Final answer
    x = 370,366.52

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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.