Home / 306,766.13-460,172.25-82,121.59

Finding the Fourth Proportional to 306,766.13, 460,172.25 and 82,121.59

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Solution

The fourth proportional to 306,766.13, 460,172.25 and 82,121.59 is: 123,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,766.13 : 460,172.25 = 82,121.59 : x
  2. Step 2: Convert to fraction form
    306,766.13/460,172.25 = 82,121.59/x
  3. Step 3: Cross multiply
    306,766.13x = 460,172.25 × 82,121.59
  4. Step 4: Simplify right side
    306,766.13x = 37,790,076,843.88
  5. Step 5: Solve for x
    x = 37,790,076,843.88/306,766.13
  6. Step 6: Final answer
    x = 123,188.56

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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.