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Finding the Fourth Proportional to 494,381.33, 682,227.59 and 279,526

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Solution

The fourth proportional to 494,381.33, 682,227.59 and 279,526 is: 385,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,381.33 : 682,227.59 = 279,526 : x
  2. Step 2: Convert to fraction form
    494,381.33/682,227.59 = 279,526/x
  3. Step 3: Cross multiply
    494,381.33x = 682,227.59 × 279,526
  4. Step 4: Simplify right side
    494,381.33x = 190,700,349,322.34
  5. Step 5: Solve for x
    x = 190,700,349,322.34/494,381.33
  6. Step 6: Final answer
    x = 385,735.34

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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.