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Finding the Fourth Proportional to 223,571.92, 308,609.50 and 132,927.66

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Solution

The fourth proportional to 223,571.92, 308,609.50 and 132,927.66 is: 183,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,571.92 : 308,609.50 = 132,927.66 : x
  2. Step 2: Convert to fraction form
    223,571.92/308,609.50 = 132,927.66/x
  3. Step 3: Cross multiply
    223,571.92x = 308,609.50 × 132,927.66
  4. Step 4: Simplify right side
    223,571.92x = 41,022,739,720.71
  5. Step 5: Solve for x
    x = 41,022,739,720.71/223,571.92
  6. Step 6: Final answer
    x = 183,487.89

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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.