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Finding the Fourth Proportional to 239,442.78, 330,424.72 and 132,010.05

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Solution

The fourth proportional to 239,442.78, 330,424.72 and 132,010.05 is: 182,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,442.78 : 330,424.72 = 132,010.05 : x
  2. Step 2: Convert to fraction form
    239,442.78/330,424.72 = 132,010.05/x
  3. Step 3: Cross multiply
    239,442.78x = 330,424.72 × 132,010.05
  4. Step 4: Simplify right side
    239,442.78x = 43,619,384,717.50
  5. Step 5: Solve for x
    x = 43,619,384,717.50/239,442.78
  6. Step 6: Final answer
    x = 182,170.39

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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.