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Finding the Fourth Proportional to 300,020.20, 449,900.70 and 150,202.60

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Solution

The fourth proportional to 300,020.20, 449,900.70 and 150,202.60 is: 225,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,020.20 : 449,900.70 = 150,202.60 : x
  2. Step 2: Convert to fraction form
    300,020.20/449,900.70 = 150,202.60/x
  3. Step 3: Cross multiply
    300,020.20x = 449,900.70 × 150,202.60
  4. Step 4: Simplify right side
    300,020.20x = 67,576,254,881.82
  5. Step 5: Solve for x
    x = 67,576,254,881.82/300,020.20
  6. Step 6: Final answer
    x = 225,239.02

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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.