Finding the Fourth Proportional to 394,102.22, 591,236.36 and 127,841.95
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Solution
The fourth proportional to 394,102.22, 591,236.36 and 127,841.95 is: 191,789.86
Step by Step Solution
- Step 1: Write the proportion equation
394,102.22 : 591,236.36 = 127,841.95 : x - Step 2: Convert to fraction form
394,102.22/591,236.36 = 127,841.95/x - Step 3: Cross multiply
394,102.22x = 591,236.36 × 127,841.95 - Step 4: Simplify right side
394,102.22x = 75,584,809,173.30 - Step 5: Solve for x
x = 75,584,809,173.30/394,102.22 - Step 6: Final answer
x = 191,789.86
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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.