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Finding the Fourth Proportional to 223,926.86, 308,998.73 and 133,268.20

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Solution

The fourth proportional to 223,926.86, 308,998.73 and 133,268.20 is: 183,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,926.86 : 308,998.73 = 133,268.20 : x
  2. Step 2: Convert to fraction form
    223,926.86/308,998.73 = 133,268.20/x
  3. Step 3: Cross multiply
    223,926.86x = 308,998.73 × 133,268.20
  4. Step 4: Simplify right side
    223,926.86x = 41,179,702,338.05
  5. Step 5: Solve for x
    x = 41,179,702,338.05/223,926.86
  6. Step 6: Final answer
    x = 183,898.00

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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.