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Finding the Fourth Proportional to 150,152.19, 225,221.25 and 43,532.97

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Solution

The fourth proportional to 150,152.19, 225,221.25 and 43,532.97 is: 65,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,152.19 : 225,221.25 = 43,532.97 : x
  2. Step 2: Convert to fraction form
    150,152.19/225,221.25 = 43,532.97/x
  3. Step 3: Cross multiply
    150,152.19x = 225,221.25 × 43,532.97
  4. Step 4: Simplify right side
    150,152.19x = 9,804,549,919.61
  5. Step 5: Solve for x
    x = 9,804,549,919.61/150,152.19
  6. Step 6: Final answer
    x = 65,297.42

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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.