Home / 299,923.20-449,812.80-173,289.60

Finding the Fourth Proportional to 299,923.20, 449,812.80 and 173,289.60

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Solution

The fourth proportional to 299,923.20, 449,812.80 and 173,289.60 is: 259,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,923.20 : 449,812.80 = 173,289.60 : x
  2. Step 2: Convert to fraction form
    299,923.20/449,812.80 = 173,289.60/x
  3. Step 3: Cross multiply
    299,923.20x = 449,812.80 × 173,289.60
  4. Step 4: Simplify right side
    299,923.20x = 77,947,880,186.88
  5. Step 5: Solve for x
    x = 77,947,880,186.88/299,923.20
  6. Step 6: Final answer
    x = 259,892.80

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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.