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Finding the Fourth Proportional to 299,205.90, 449,100.45 and 149,615.10

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Solution

The fourth proportional to 299,205.90, 449,100.45 and 149,615.10 is: 224,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,205.90 : 449,100.45 = 149,615.10 : x
  2. Step 2: Convert to fraction form
    299,205.90/449,100.45 = 149,615.10/x
  3. Step 3: Cross multiply
    299,205.90x = 449,100.45 × 149,615.10
  4. Step 4: Simplify right side
    299,205.90x = 67,192,208,736.80
  5. Step 5: Solve for x
    x = 67,192,208,736.80/299,205.90
  6. Step 6: Final answer
    x = 224,568.46

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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.