Home / 272,229.26-408,311.49-72,564.62

Finding the Fourth Proportional to 272,229.26, 408,311.49 and 72,564.62

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Solution

The fourth proportional to 272,229.26, 408,311.49 and 72,564.62 is: 108,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,229.26 : 408,311.49 = 72,564.62 : x
  2. Step 2: Convert to fraction form
    272,229.26/408,311.49 = 72,564.62/x
  3. Step 3: Cross multiply
    272,229.26x = 408,311.49 × 72,564.62
  4. Step 4: Simplify right side
    272,229.26x = 29,628,968,113.48
  5. Step 5: Solve for x
    x = 29,628,968,113.48/272,229.26
  6. Step 6: Final answer
    x = 108,838.29

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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.