Finding the Fourth Proportional to 281,721.99, 422,598.38 and 71,361.75
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Solution
The fourth proportional to 281,721.99, 422,598.38 and 71,361.75 is: 107,046.52
Step by Step Solution
- Step 1: Write the proportion equation
281,721.99 : 422,598.38 = 71,361.75 : x - Step 2: Convert to fraction form
281,721.99/422,598.38 = 71,361.75/x - Step 3: Cross multiply
281,721.99x = 422,598.38 × 71,361.75 - Step 4: Simplify right side
281,721.99x = 30,157,359,587.16 - Step 5: Solve for x
x = 30,157,359,587.16/281,721.99 - Step 6: Final answer
x = 107,046.52
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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.