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Finding the Fourth Proportional to 285,985.53, 394,334.87 and 182,480.49

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Solution

The fourth proportional to 285,985.53, 394,334.87 and 182,480.49 is: 251,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,985.53 : 394,334.87 = 182,480.49 : x
  2. Step 2: Convert to fraction form
    285,985.53/394,334.87 = 182,480.49/x
  3. Step 3: Cross multiply
    285,985.53x = 394,334.87 × 182,480.49
  4. Step 4: Simplify right side
    285,985.53x = 71,958,419,389.28
  5. Step 5: Solve for x
    x = 71,958,419,389.28/285,985.53
  6. Step 6: Final answer
    x = 251,615.60

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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.