Home / 327,475.64-491,185.32-199,358.67

Finding the Fourth Proportional to 327,475.64, 491,185.32 and 199,358.67

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Solution

The fourth proportional to 327,475.64, 491,185.32 and 199,358.67 is: 299,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,475.64 : 491,185.32 = 199,358.67 : x
  2. Step 2: Convert to fraction form
    327,475.64/491,185.32 = 199,358.67/x
  3. Step 3: Cross multiply
    327,475.64x = 491,185.32 × 199,358.67
  4. Step 4: Simplify right side
    327,475.64x = 97,922,051,116.37
  5. Step 5: Solve for x
    x = 97,922,051,116.37/327,475.64
  6. Step 6: Final answer
    x = 299,020.87

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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.