Home / 299,861.08-449,865.44-211,287.56

Finding the Fourth Proportional to 299,861.08, 449,865.44 and 211,287.56

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Solution

The fourth proportional to 299,861.08, 449,865.44 and 211,287.56 is: 316,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,861.08 : 449,865.44 = 211,287.56 : x
  2. Step 2: Convert to fraction form
    299,861.08/449,865.44 = 211,287.56/x
  3. Step 3: Cross multiply
    299,861.08x = 449,865.44 × 211,287.56
  4. Step 4: Simplify right side
    299,861.08x = 95,050,971,145.93
  5. Step 5: Solve for x
    x = 95,050,971,145.93/299,861.08
  6. Step 6: Final answer
    x = 316,983.35

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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.