Home / 327,574.23-491,361.18-90,916.85

Finding the Fourth Proportional to 327,574.23, 491,361.18 and 90,916.85

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Solution

The fourth proportional to 327,574.23, 491,361.18 and 90,916.85 is: 136,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,574.23 : 491,361.18 = 90,916.85 : x
  2. Step 2: Convert to fraction form
    327,574.23/491,361.18 = 90,916.85/x
  3. Step 3: Cross multiply
    327,574.23x = 491,361.18 × 90,916.85
  4. Step 4: Simplify right side
    327,574.23x = 44,673,008,241.08
  5. Step 5: Solve for x
    x = 44,673,008,241.08/327,574.23
  6. Step 6: Final answer
    x = 136,375.22

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1.5x scale

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.