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Finding the Fourth Proportional to 300,692.40, 451,049.49 and 101,019.30

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Solution

The fourth proportional to 300,692.40, 451,049.49 and 101,019.30 is: 151,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,692.40 : 451,049.49 = 101,019.30 : x
  2. Step 2: Convert to fraction form
    300,692.40/451,049.49 = 101,019.30/x
  3. Step 3: Cross multiply
    300,692.40x = 451,049.49 × 101,019.30
  4. Step 4: Simplify right side
    300,692.40x = 45,564,703,745.16
  5. Step 5: Solve for x
    x = 45,564,703,745.16/300,692.40
  6. Step 6: Final answer
    x = 151,532.61

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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.