Finding the Fourth Proportional to 347,229.09, 520,893.53 and 107,361.68
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Solution
The fourth proportional to 347,229.09, 520,893.53 and 107,361.68 is: 161,057.94
Step by Step Solution
- Step 1: Write the proportion equation
347,229.09 : 520,893.53 = 107,361.68 : x - Step 2: Convert to fraction form
347,229.09/520,893.53 = 107,361.68/x - Step 3: Cross multiply
347,229.09x = 520,893.53 × 107,361.68 - Step 4: Simplify right side
347,229.09x = 55,924,001,743.26 - Step 5: Solve for x
x = 55,924,001,743.26/347,229.09 - Step 6: Final answer
x = 161,057.94
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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.