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Finding the Fourth Proportional to 327,479.65, 491,191.32 and 199,362.67

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Solution

The fourth proportional to 327,479.65, 491,191.32 and 199,362.67 is: 299,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,479.65 : 491,191.32 = 199,362.67 : x
  2. Step 2: Convert to fraction form
    327,479.65/491,191.32 = 199,362.67/x
  3. Step 3: Cross multiply
    327,479.65x = 491,191.32 × 199,362.67
  4. Step 4: Simplify right side
    327,479.65x = 97,925,213,036.02
  5. Step 5: Solve for x
    x = 97,925,213,036.02/327,479.65
  6. Step 6: Final answer
    x = 299,026.86

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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.