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Finding the Fourth Proportional to 375,806.85, 518,634.66 and 222,935.55

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Solution

The fourth proportional to 375,806.85, 518,634.66 and 222,935.55 is: 307,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,806.85 : 518,634.66 = 222,935.55 : x
  2. Step 2: Convert to fraction form
    375,806.85/518,634.66 = 222,935.55/x
  3. Step 3: Cross multiply
    375,806.85x = 518,634.66 × 222,935.55
  4. Step 4: Simplify right side
    375,806.85x = 115,622,103,176.16
  5. Step 5: Solve for x
    x = 115,622,103,176.16/375,806.85
  6. Step 6: Final answer
    x = 307,663.64

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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.