Home / 299,911.20-449,794.80-173,277.60

Finding the Fourth Proportional to 299,911.20, 449,794.80 and 173,277.60

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Solution

The fourth proportional to 299,911.20, 449,794.80 and 173,277.60 is: 259,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,911.20 : 449,794.80 = 173,277.60 : x
  2. Step 2: Convert to fraction form
    299,911.20/449,794.80 = 173,277.60/x
  3. Step 3: Cross multiply
    299,911.20x = 449,794.80 × 173,277.60
  4. Step 4: Simplify right side
    299,911.20x = 77,939,363,436.48
  5. Step 5: Solve for x
    x = 77,939,363,436.48/299,911.20
  6. Step 6: Final answer
    x = 259,874.80

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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.