Finding the Fourth Proportional to 196,697.91, 271,297.82 and 135,463.54
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Solution
The fourth proportional to 196,697.91, 271,297.82 and 135,463.54 is: 186,839.62
Step by Step Solution
- Step 1: Write the proportion equation
196,697.91 : 271,297.82 = 135,463.54 : x - Step 2: Convert to fraction form
196,697.91/271,297.82 = 135,463.54/x - Step 3: Cross multiply
196,697.91x = 271,297.82 × 135,463.54 - Step 4: Simplify right side
196,697.91x = 36,750,963,091.48 - Step 5: Solve for x
x = 36,750,963,091.48/196,697.91 - Step 6: Final answer
x = 186,839.62
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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.