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Finding the Fourth Proportional to 100,408.17, 150,568.50 and 33,835.89

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Solution

The fourth proportional to 100,408.17, 150,568.50 and 33,835.89 is: 50,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,408.17 : 150,568.50 = 33,835.89 : x
  2. Step 2: Convert to fraction form
    100,408.17/150,568.50 = 33,835.89/x
  3. Step 3: Cross multiply
    100,408.17x = 150,568.50 × 33,835.89
  4. Step 4: Simplify right side
    100,408.17x = 5,094,619,203.47
  5. Step 5: Solve for x
    x = 5,094,619,203.47/100,408.17
  6. Step 6: Final answer
    x = 50,739.09

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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.