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Finding the Fourth Proportional to 300,233.20, 450,220.20 and 150,415.60

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Solution

The fourth proportional to 300,233.20, 450,220.20 and 150,415.60 is: 225,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,233.20 : 450,220.20 = 150,415.60 : x
  2. Step 2: Convert to fraction form
    300,233.20/450,220.20 = 150,415.60/x
  3. Step 3: Cross multiply
    300,233.20x = 450,220.20 × 150,415.60
  4. Step 4: Simplify right side
    300,233.20x = 67,720,141,515.12
  5. Step 5: Solve for x
    x = 67,720,141,515.12/300,233.20
  6. Step 6: Final answer
    x = 225,558.47

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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.