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Finding the Fourth Proportional to 494,583.56, 741,861.42 and 157,644.41

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Solution

The fourth proportional to 494,583.56, 741,861.42 and 157,644.41 is: 236,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,583.56 : 741,861.42 = 157,644.41 : x
  2. Step 2: Convert to fraction form
    494,583.56/741,861.42 = 157,644.41/x
  3. Step 3: Cross multiply
    494,583.56x = 741,861.42 × 157,644.41
  4. Step 4: Simplify right side
    494,583.56x = 116,950,305,857.66
  5. Step 5: Solve for x
    x = 116,950,305,857.66/494,583.56
  6. Step 6: Final answer
    x = 236,462.18

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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.