Home / 300,091.04-449,636.78-211,157.70

Finding the Fourth Proportional to 300,091.04, 449,636.78 and 211,157.70

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Solution

The fourth proportional to 300,091.04, 449,636.78 and 211,157.70 is: 316,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,091.04 : 449,636.78 = 211,157.70 : x
  2. Step 2: Convert to fraction form
    300,091.04/449,636.78 = 211,157.70/x
  3. Step 3: Cross multiply
    300,091.04x = 449,636.78 × 211,157.70
  4. Step 4: Simplify right side
    300,091.04x = 94,944,268,300.21
  5. Step 5: Solve for x
    x = 94,944,268,300.21/300,091.04
  6. Step 6: Final answer
    x = 316,384.88

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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.