Finding the Fourth Proportional to 498,021.44, 687,265.20 and 271,662.08
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Solution
The fourth proportional to 498,021.44, 687,265.20 and 271,662.08 is: 374,891.28
Step by Step Solution
- Step 1: Write the proportion equation
498,021.44 : 687,265.20 = 271,662.08 : x - Step 2: Convert to fraction form
498,021.44/687,265.20 = 271,662.08/x - Step 3: Cross multiply
498,021.44x = 687,265.20 × 271,662.08 - Step 4: Simplify right side
498,021.44x = 186,703,893,743.62 - Step 5: Solve for x
x = 186,703,893,743.62/498,021.44 - Step 6: Final answer
x = 374,891.28
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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.