Home / 299,925.20-449,815.80-173,291.60

Finding the Fourth Proportional to 299,925.20, 449,815.80 and 173,291.60

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Solution

The fourth proportional to 299,925.20, 449,815.80 and 173,291.60 is: 259,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,925.20 : 449,815.80 = 173,291.60 : x
  2. Step 2: Convert to fraction form
    299,925.20/449,815.80 = 173,291.60/x
  3. Step 3: Cross multiply
    299,925.20x = 449,815.80 × 173,291.60
  4. Step 4: Simplify right side
    299,925.20x = 77,949,299,687.28
  5. Step 5: Solve for x
    x = 77,949,299,687.28/299,925.20
  6. Step 6: Final answer
    x = 259,895.80

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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.