Finding the Fourth Proportional to 271,202.60, 406,415.10 and 199,566.20
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Solution
The fourth proportional to 271,202.60, 406,415.10 and 199,566.20 is: 299,063.20
Step by Step Solution
- Step 1: Write the proportion equation
271,202.60 : 406,415.10 = 199,566.20 : x - Step 2: Convert to fraction form
271,202.60/406,415.10 = 199,566.20/x - Step 3: Cross multiply
271,202.60x = 406,415.10 × 199,566.20 - Step 4: Simplify right side
271,202.60x = 81,106,717,129.62 - Step 5: Solve for x
x = 81,106,717,129.62/271,202.60 - Step 6: Final answer
x = 299,063.20
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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.