Finding the Fourth Proportional to 275,361.68, 413,052.68 and 75,697.68
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Solution
The fourth proportional to 275,361.68, 413,052.68 and 75,697.68 is: 113,549.31
Step by Step Solution
- Step 1: Write the proportion equation
275,361.68 : 413,052.68 = 75,697.68 : x - Step 2: Convert to fraction form
275,361.68/413,052.68 = 75,697.68/x - Step 3: Cross multiply
275,361.68x = 413,052.68 × 75,697.68 - Step 4: Simplify right side
275,361.68x = 31,267,129,593.78 - Step 5: Solve for x
x = 31,267,129,593.78/275,361.68 - Step 6: Final answer
x = 113,549.31
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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.