Finding the Fourth Proportional to 271,344.36, 406,933.23 and 187,642.40
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Solution
The fourth proportional to 271,344.36, 406,933.23 and 187,642.40 is: 281,405.99
Step by Step Solution
- Step 1: Write the proportion equation
271,344.36 : 406,933.23 = 187,642.40 : x - Step 2: Convert to fraction form
271,344.36/406,933.23 = 187,642.40/x - Step 3: Cross multiply
271,344.36x = 406,933.23 × 187,642.40 - Step 4: Simplify right side
271,344.36x = 76,357,926,665.07 - Step 5: Solve for x
x = 76,357,926,665.07/271,344.36 - Step 6: Final answer
x = 281,405.99
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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.