Home / 300,086.04-449,629.28-211,152.70

Finding the Fourth Proportional to 300,086.04, 449,629.28 and 211,152.70

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Solution

The fourth proportional to 300,086.04, 449,629.28 and 211,152.70 is: 316,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,086.04 : 449,629.28 = 211,152.70 : x
  2. Step 2: Convert to fraction form
    300,086.04/449,629.28 = 211,152.70/x
  3. Step 3: Cross multiply
    300,086.04x = 449,629.28 × 211,152.70
  4. Step 4: Simplify right side
    300,086.04x = 94,940,436,471.06
  5. Step 5: Solve for x
    x = 94,940,436,471.06/300,086.04
  6. Step 6: Final answer
    x = 316,377.38

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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.