Finding the Fourth Proportional to 421,791.00, 582,069.97 and 228,198.09
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Solution
The fourth proportional to 421,791.00, 582,069.97 and 228,198.09 is: 314,912.50
Step by Step Solution
- Step 1: Write the proportion equation
421,791.00 : 582,069.97 = 228,198.09 : x - Step 2: Convert to fraction form
421,791.00/582,069.97 = 228,198.09/x - Step 3: Cross multiply
421,791.00x = 582,069.97 × 228,198.09 - Step 4: Simplify right side
421,791.00x = 132,827,256,584.75 - Step 5: Solve for x
x = 132,827,256,584.75/421,791.00 - Step 6: Final answer
x = 314,912.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.