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Finding the Fourth Proportional to 239,713.97, 330,795.61 and 132,282.61

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Solution

The fourth proportional to 239,713.97, 330,795.61 and 132,282.61 is: 182,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,713.97 : 330,795.61 = 132,282.61 : x
  2. Step 2: Convert to fraction form
    239,713.97/330,795.61 = 132,282.61/x
  3. Step 3: Cross multiply
    239,713.97x = 330,795.61 × 132,282.61
  4. Step 4: Simplify right side
    239,713.97x = 43,758,506,667.34
  5. Step 5: Solve for x
    x = 43,758,506,667.34/239,713.97
  6. Step 6: Final answer
    x = 182,544.67

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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.