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Finding the Fourth Proportional to 327,360.61, 491,160.81 and 137,868.67

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Solution

The fourth proportional to 327,360.61, 491,160.81 and 137,868.67 is: 206,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,360.61 : 491,160.81 = 137,868.67 : x
  2. Step 2: Convert to fraction form
    327,360.61/491,160.81 = 137,868.67/x
  3. Step 3: Cross multiply
    327,360.61x = 491,160.81 × 137,868.67
  4. Step 4: Simplify right side
    327,360.61x = 67,715,687,630.82
  5. Step 5: Solve for x
    x = 67,715,687,630.82/327,360.61
  6. Step 6: Final answer
    x = 206,853.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.