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Finding the Fourth Proportional to 366,618.28, 505,888.26 and 223,326.28

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Solution

The fourth proportional to 366,618.28, 505,888.26 and 223,326.28 is: 308,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,618.28 : 505,888.26 = 223,326.28 : x
  2. Step 2: Convert to fraction form
    366,618.28/505,888.26 = 223,326.28/x
  3. Step 3: Cross multiply
    366,618.28x = 505,888.26 × 223,326.28
  4. Step 4: Simplify right side
    366,618.28x = 112,978,143,201.47
  5. Step 5: Solve for x
    x = 112,978,143,201.47/366,618.28
  6. Step 6: Final answer
    x = 308,162.88

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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.