Home / 230,387.49-345,736.86-80,629.07

Finding the Fourth Proportional to 230,387.49, 345,736.86 and 80,629.07

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Solution

The fourth proportional to 230,387.49, 345,736.86 and 80,629.07 is: 120,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,387.49 : 345,736.86 = 80,629.07 : x
  2. Step 2: Convert to fraction form
    230,387.49/345,736.86 = 80,629.07/x
  3. Step 3: Cross multiply
    230,387.49x = 345,736.86 × 80,629.07
  4. Step 4: Simplify right side
    230,387.49x = 27,876,441,400.25
  5. Step 5: Solve for x
    x = 27,876,441,400.25/230,387.49
  6. Step 6: Final answer
    x = 120,998.07

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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.