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Finding the Fourth Proportional to 100,333.80, 150,522.90 and 33,771.75

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Solution

The fourth proportional to 100,333.80, 150,522.90 and 33,771.75 is: 50,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,333.80 : 150,522.90 = 33,771.75 : x
  2. Step 2: Convert to fraction form
    100,333.80/150,522.90 = 33,771.75/x
  3. Step 3: Cross multiply
    100,333.80x = 150,522.90 × 33,771.75
  4. Step 4: Simplify right side
    100,333.80x = 5,083,421,748.08
  5. Step 5: Solve for x
    x = 5,083,421,748.08/100,333.80
  6. Step 6: Final answer
    x = 50,665.10

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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.