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Finding the Fourth Proportional to 299,675.60, 449,451.84 and 89,257.04

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Solution

The fourth proportional to 299,675.60, 449,451.84 and 89,257.04 is: 133,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,675.60 : 449,451.84 = 89,257.04 : x
  2. Step 2: Convert to fraction form
    299,675.60/449,451.84 = 89,257.04/x
  3. Step 3: Cross multiply
    299,675.60x = 449,451.84 × 89,257.04
  4. Step 4: Simplify right side
    299,675.60x = 40,116,740,860.95
  5. Step 5: Solve for x
    x = 40,116,740,860.95/299,675.60
  6. Step 6: Final answer
    x = 133,867.22

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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.