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Finding the Fourth Proportional to 299,852.89, 449,648.11 and 89,448.91

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Solution

The fourth proportional to 299,852.89, 449,648.11 and 89,448.91 is: 134,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,852.89 : 449,648.11 = 89,448.91 : x
  2. Step 2: Convert to fraction form
    299,852.89/449,648.11 = 89,448.91/x
  3. Step 3: Cross multiply
    299,852.89x = 449,648.11 × 89,448.91
  4. Step 4: Simplify right side
    299,852.89x = 40,220,532,310.75
  5. Step 5: Solve for x
    x = 40,220,532,310.75/299,852.89
  6. Step 6: Final answer
    x = 134,134.22

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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.