Finding the Fourth Proportional to 196,963.14, 271,805.42 and 120,476.62
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Solution
The fourth proportional to 196,963.14, 271,805.42 and 120,476.62 is: 166,255.46
Step by Step Solution
- Step 1: Write the proportion equation
196,963.14 : 271,805.42 = 120,476.62 : x - Step 2: Convert to fraction form
196,963.14/271,805.42 = 120,476.62/x - Step 3: Cross multiply
196,963.14x = 271,805.42 × 120,476.62 - Step 4: Simplify right side
196,963.14x = 32,746,197,411.32 - Step 5: Solve for x
x = 32,746,197,411.32/196,963.14 - Step 6: Final answer
x = 166,255.46
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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.