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Finding the Fourth Proportional to 239,737.25, 330,827.74 and 132,305.89

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Solution

The fourth proportional to 239,737.25, 330,827.74 and 132,305.89 is: 182,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,737.25 : 330,827.74 = 132,305.89 : x
  2. Step 2: Convert to fraction form
    239,737.25/330,827.74 = 132,305.89/x
  3. Step 3: Cross multiply
    239,737.25x = 330,827.74 × 132,305.89
  4. Step 4: Simplify right side
    239,737.25x = 43,770,457,419.55
  5. Step 5: Solve for x
    x = 43,770,457,419.55/239,737.25
  6. Step 6: Final answer
    x = 182,576.79

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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.