Finding the Fourth Proportional to 271,220.23, 406,857.68 and 71,554.42
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Solution
The fourth proportional to 271,220.23, 406,857.68 and 71,554.42 is: 107,338.84
Step by Step Solution
- Step 1: Write the proportion equation
271,220.23 : 406,857.68 = 71,554.42 : x - Step 2: Convert to fraction form
271,220.23/406,857.68 = 71,554.42/x - Step 3: Cross multiply
271,220.23x = 406,857.68 × 71,554.42 - Step 4: Simplify right side
271,220.23x = 29,112,464,476.69 - Step 5: Solve for x
x = 29,112,464,476.69/271,220.23 - Step 6: Final answer
x = 107,338.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.