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Finding the Fourth Proportional to 223,481.77, 308,403.79 and 131,654.36

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Solution

The fourth proportional to 223,481.77, 308,403.79 and 131,654.36 is: 181,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,481.77 : 308,403.79 = 131,654.36 : x
  2. Step 2: Convert to fraction form
    223,481.77/308,403.79 = 131,654.36/x
  3. Step 3: Cross multiply
    223,481.77x = 308,403.79 × 131,654.36
  4. Step 4: Simplify right side
    223,481.77x = 40,602,704,035.90
  5. Step 5: Solve for x
    x = 40,602,704,035.90/223,481.77
  6. Step 6: Final answer
    x = 181,682.40

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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.