Finding the Fourth Proportional to 208,791.00, 288,137.98 and 122,734.20
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Solution
The fourth proportional to 208,791.00, 288,137.98 and 122,734.20 is: 169,376.96
Step by Step Solution
- Step 1: Write the proportion equation
208,791.00 : 288,137.98 = 122,734.20 : x - Step 2: Convert to fraction form
208,791.00/288,137.98 = 122,734.20/x - Step 3: Cross multiply
208,791.00x = 288,137.98 × 122,734.20 - Step 4: Simplify right side
208,791.00x = 35,364,383,851.25 - Step 5: Solve for x
x = 35,364,383,851.25/208,791.00 - Step 6: Final answer
x = 169,376.96
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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.