Home / 327,690.36-491,535.34-187,350.57

Finding the Fourth Proportional to 327,690.36, 491,535.34 and 187,350.57

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Solution

The fourth proportional to 327,690.36, 491,535.34 and 187,350.57 is: 281,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,690.36 : 491,535.34 = 187,350.57 : x
  2. Step 2: Convert to fraction form
    327,690.36/491,535.34 = 187,350.57/x
  3. Step 3: Cross multiply
    327,690.36x = 491,535.34 × 187,350.57
  4. Step 4: Simplify right side
    327,690.36x = 92,089,425,655.77
  5. Step 5: Solve for x
    x = 92,089,425,655.77/327,690.36
  6. Step 6: Final answer
    x = 281,025.74

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Why These Related Problems?

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