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Finding the Fourth Proportional to 100,441.62, 150,663.51 and 30,321.54

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Solution

The fourth proportional to 100,441.62, 150,663.51 and 30,321.54 is: 45,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,441.62 : 150,663.51 = 30,321.54 : x
  2. Step 2: Convert to fraction form
    100,441.62/150,663.51 = 30,321.54/x
  3. Step 3: Cross multiply
    100,441.62x = 150,663.51 × 30,321.54
  4. Step 4: Simplify right side
    100,441.62x = 4,568,349,645.01
  5. Step 5: Solve for x
    x = 4,568,349,645.01/100,441.62
  6. Step 6: Final answer
    x = 45,482.64

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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.