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Finding the Fourth Proportional to 239,449.31, 330,433.22 and 132,019.47

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Solution

The fourth proportional to 239,449.31, 330,433.22 and 132,019.47 is: 182,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,449.31 : 330,433.22 = 132,019.47 : x
  2. Step 2: Convert to fraction form
    239,449.31/330,433.22 = 132,019.47/x
  3. Step 3: Cross multiply
    239,449.31x = 330,433.22 × 132,019.47
  4. Step 4: Simplify right side
    239,449.31x = 43,623,618,904.84
  5. Step 5: Solve for x
    x = 43,623,618,904.84/239,449.31
  6. Step 6: Final answer
    x = 182,183.10

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1.5x scale

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.