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Finding the Fourth Proportional to 239,568.37, 330,603.01 and 132,138.15

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Solution

The fourth proportional to 239,568.37, 330,603.01 and 132,138.15 is: 182,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,568.37 : 330,603.01 = 132,138.15 : x
  2. Step 2: Convert to fraction form
    239,568.37/330,603.01 = 132,138.15/x
  3. Step 3: Cross multiply
    239,568.37x = 330,603.01 × 132,138.15
  4. Step 4: Simplify right side
    239,568.37x = 43,685,270,125.83
  5. Step 5: Solve for x
    x = 43,685,270,125.83/239,568.37
  6. Step 6: Final answer
    x = 182,349.91

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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.