Finding the Fourth Proportional to 107,361.70, 161,042.58 and 33,489.70
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Solution
The fourth proportional to 107,361.70, 161,042.58 and 33,489.70 is: 50,234.56
Step by Step Solution
- Step 1: Write the proportion equation
107,361.70 : 161,042.58 = 33,489.70 : x - Step 2: Convert to fraction form
107,361.70/161,042.58 = 33,489.70/x - Step 3: Cross multiply
107,361.70x = 161,042.58 × 33,489.70 - Step 4: Simplify right side
107,361.70x = 5,393,268,194.68 - Step 5: Solve for x
x = 5,393,268,194.68/107,361.70 - Step 6: Final answer
x = 50,234.56
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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.