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Finding the Fourth Proportional to 239,464.89, 330,476.42 and 132,034.75

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Solution

The fourth proportional to 239,464.89, 330,476.42 and 132,034.75 is: 182,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,464.89 : 330,476.42 = 132,034.75 : x
  2. Step 2: Convert to fraction form
    239,464.89/330,476.42 = 132,034.75/x
  3. Step 3: Cross multiply
    239,464.89x = 330,476.42 × 132,034.75
  4. Step 4: Simplify right side
    239,464.89x = 43,634,370,999.49
  5. Step 5: Solve for x
    x = 43,634,370,999.49/239,464.89
  6. Step 6: Final answer
    x = 182,216.15

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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.