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Finding the Fourth Proportional to 494,425.50, 682,303.42 and 279,573.24

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Solution

The fourth proportional to 494,425.50, 682,303.42 and 279,573.24 is: 385,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,425.50 : 682,303.42 = 279,573.24 : x
  2. Step 2: Convert to fraction form
    494,425.50/682,303.42 = 279,573.24/x
  3. Step 3: Cross multiply
    494,425.50x = 682,303.42 × 279,573.24
  4. Step 4: Simplify right side
    494,425.50x = 190,753,777,792.48
  5. Step 5: Solve for x
    x = 190,753,777,792.48/494,425.50
  6. Step 6: Final answer
    x = 385,808.94

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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.