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Finding the Fourth Proportional to 300,365.68, 450,616.01 and 100,680.96

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Solution

The fourth proportional to 300,365.68, 450,616.01 and 100,680.96 is: 151,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,365.68 : 450,616.01 = 100,680.96 : x
  2. Step 2: Convert to fraction form
    300,365.68/450,616.01 = 100,680.96/x
  3. Step 3: Cross multiply
    300,365.68x = 450,616.01 × 100,680.96
  4. Step 4: Simplify right side
    300,365.68x = 45,368,451,974.76
  5. Step 5: Solve for x
    x = 45,368,451,974.76/300,365.68
  6. Step 6: Final answer
    x = 151,044.06

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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.