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Finding the Fourth Proportional to 300,808.77, 451,221.03 and 87,568.06

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Solution

The fourth proportional to 300,808.77, 451,221.03 and 87,568.06 is: 131,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,808.77 : 451,221.03 = 87,568.06 : x
  2. Step 2: Convert to fraction form
    300,808.77/451,221.03 = 87,568.06/x
  3. Step 3: Cross multiply
    300,808.77x = 451,221.03 × 87,568.06
  4. Step 4: Simplify right side
    300,808.77x = 39,512,550,228.30
  5. Step 5: Solve for x
    x = 39,512,550,228.30/300,808.77
  6. Step 6: Final answer
    x = 131,354.38

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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.