Finding the Fourth Proportional to 196,476.75, 271,137.92 and 107,052.75
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Solution
The fourth proportional to 196,476.75, 271,137.92 and 107,052.75 is: 147,732.80
Step by Step Solution
- Step 1: Write the proportion equation
196,476.75 : 271,137.92 = 107,052.75 : x - Step 2: Convert to fraction form
196,476.75/271,137.92 = 107,052.75/x - Step 3: Cross multiply
196,476.75x = 271,137.92 × 107,052.75 - Step 4: Simplify right side
196,476.75x = 29,026,059,430.02 - Step 5: Solve for x
x = 29,026,059,430.02/196,476.75 - Step 6: Final answer
x = 147,732.80
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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.