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Finding the Fourth Proportional to 239,832.63, 330,960.36 and 132,400.36

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Solution

The fourth proportional to 239,832.63, 330,960.36 and 132,400.36 is: 182,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,832.63 : 330,960.36 = 132,400.36 : x
  2. Step 2: Convert to fraction form
    239,832.63/330,960.36 = 132,400.36/x
  3. Step 3: Cross multiply
    239,832.63x = 330,960.36 × 132,400.36
  4. Step 4: Simplify right side
    239,832.63x = 43,819,270,809.73
  5. Step 5: Solve for x
    x = 43,819,270,809.73/239,832.63
  6. Step 6: Final answer
    x = 182,707.71

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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.