Finding the Fourth Proportional to 196,385.14, 271,042.26 and 115,821.52
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Solution
The fourth proportional to 196,385.14, 271,042.26 and 115,821.52 is: 159,851.84
Step by Step Solution
- Step 1: Write the proportion equation
196,385.14 : 271,042.26 = 115,821.52 : x - Step 2: Convert to fraction form
196,385.14/271,042.26 = 115,821.52/x - Step 3: Cross multiply
196,385.14x = 271,042.26 × 115,821.52 - Step 4: Simplify right side
196,385.14x = 31,392,526,537.44 - Step 5: Solve for x
x = 31,392,526,537.44/196,385.14 - Step 6: Final answer
x = 159,851.84
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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.