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Finding the Fourth Proportional to 300,313.25, 450,156.05 and 100,469.24

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Solution

The fourth proportional to 300,313.25, 450,156.05 and 100,469.24 is: 150,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,313.25 : 450,156.05 = 100,469.24 : x
  2. Step 2: Convert to fraction form
    300,313.25/450,156.05 = 100,469.24/x
  3. Step 3: Cross multiply
    300,313.25x = 450,156.05 × 100,469.24
  4. Step 4: Simplify right side
    300,313.25x = 45,226,835,536.62
  5. Step 5: Solve for x
    x = 45,226,835,536.62/300,313.25
  6. Step 6: Final answer
    x = 150,598.87

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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.