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Finding the Fourth Proportional to 299,599.85, 449,395.22 and 89,237.79

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Solution

The fourth proportional to 299,599.85, 449,395.22 and 89,237.79 is: 133,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,599.85 : 449,395.22 = 89,237.79 : x
  2. Step 2: Convert to fraction form
    299,599.85/449,395.22 = 89,237.79/x
  3. Step 3: Cross multiply
    299,599.85x = 449,395.22 × 89,237.79
  4. Step 4: Simplify right side
    299,599.85x = 40,103,035,823.17
  5. Step 5: Solve for x
    x = 40,103,035,823.17/299,599.85
  6. Step 6: Final answer
    x = 133,855.33

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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.