Finding the Fourth Proportional to 271,202.30, 406,871.18 and 191,396.03
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Solution
The fourth proportional to 271,202.30, 406,871.18 and 191,396.03 is: 287,141.84
Step by Step Solution
- Step 1: Write the proportion equation
271,202.30 : 406,871.18 = 191,396.03 : x - Step 2: Convert to fraction form
271,202.30/406,871.18 = 191,396.03/x - Step 3: Cross multiply
271,202.30x = 406,871.18 × 191,396.03 - Step 4: Simplify right side
271,202.30x = 77,873,525,582.08 - Step 5: Solve for x
x = 77,873,525,582.08/271,202.30 - Step 6: Final answer
x = 287,141.84
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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.