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Finding the Fourth Proportional to 300,052.35, 450,151.83 and 211,478.85

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Solution

The fourth proportional to 300,052.35, 450,151.83 and 211,478.85 is: 317,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,052.35 : 450,151.83 = 211,478.85 : x
  2. Step 2: Convert to fraction form
    300,052.35/450,151.83 = 211,478.85/x
  3. Step 3: Cross multiply
    300,052.35x = 450,151.83 × 211,478.85
  4. Step 4: Simplify right side
    300,052.35x = 95,197,591,333.80
  5. Step 5: Solve for x
    x = 95,197,591,333.80/300,052.35
  6. Step 6: Final answer
    x = 317,269.94

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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.