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Finding the Fourth Proportional to 299,450.72, 449,197.65 and 94,267.80

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Solution

The fourth proportional to 299,450.72, 449,197.65 and 94,267.80 is: 141,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,450.72 : 449,197.65 = 94,267.80 : x
  2. Step 2: Convert to fraction form
    299,450.72/449,197.65 = 94,267.80/x
  3. Step 3: Cross multiply
    299,450.72x = 449,197.65 × 94,267.80
  4. Step 4: Simplify right side
    299,450.72x = 42,344,874,230.67
  5. Step 5: Solve for x
    x = 42,344,874,230.67/299,450.72
  6. Step 6: Final answer
    x = 141,408.49

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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.