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Finding the Fourth Proportional to 239,466.78, 330,466.50 and 132,040.67

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Solution

The fourth proportional to 239,466.78, 330,466.50 and 132,040.67 is: 182,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,466.78 : 330,466.50 = 132,040.67 : x
  2. Step 2: Convert to fraction form
    239,466.78/330,466.50 = 132,040.67/x
  3. Step 3: Cross multiply
    239,466.78x = 330,466.50 × 132,040.67
  4. Step 4: Simplify right side
    239,466.78x = 43,635,016,420.22
  5. Step 5: Solve for x
    x = 43,635,016,420.22/239,466.78
  6. Step 6: Final answer
    x = 182,217.41

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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.