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Finding the Fourth Proportional to 399,202.66, 550,880.27 and 227,104.39

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Solution

The fourth proportional to 399,202.66, 550,880.27 and 227,104.39 is: 313,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,202.66 : 550,880.27 = 227,104.39 : x
  2. Step 2: Convert to fraction form
    399,202.66/550,880.27 = 227,104.39/x
  3. Step 3: Cross multiply
    399,202.66x = 550,880.27 × 227,104.39
  4. Step 4: Simplify right side
    399,202.66x = 125,107,324,926.98
  5. Step 5: Solve for x
    x = 125,107,324,926.98/399,202.66
  6. Step 6: Final answer
    x = 313,393.02

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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.