Home / 300,625.11-450,961.35-100,944.72

Finding the Fourth Proportional to 300,625.11, 450,961.35 and 100,944.72

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Solution

The fourth proportional to 300,625.11, 450,961.35 and 100,944.72 is: 151,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,625.11 : 450,961.35 = 100,944.72 : x
  2. Step 2: Convert to fraction form
    300,625.11/450,961.35 = 100,944.72/x
  3. Step 3: Cross multiply
    300,625.11x = 450,961.35 × 100,944.72
  4. Step 4: Simplify right side
    300,625.11x = 45,522,167,206.57
  5. Step 5: Solve for x
    x = 45,522,167,206.57/300,625.11
  6. Step 6: Final answer
    x = 151,425.03

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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.