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Finding the Fourth Proportional to 299,751.40, 449,627.10 and 150,452.20

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Solution

The fourth proportional to 299,751.40, 449,627.10 and 150,452.20 is: 225,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,751.40 : 449,627.10 = 150,452.20 : x
  2. Step 2: Convert to fraction form
    299,751.40/449,627.10 = 150,452.20/x
  3. Step 3: Cross multiply
    299,751.40x = 449,627.10 × 150,452.20
  4. Step 4: Simplify right side
    299,751.40x = 67,647,386,374.62
  5. Step 5: Solve for x
    x = 67,647,386,374.62/299,751.40
  6. Step 6: Final answer
    x = 225,678.30

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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.