Finding the Fourth Proportional to 271,451.35, 374,560.66 and 155,163.09
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Solution
The fourth proportional to 271,451.35, 374,560.66 and 155,163.09 is: 214,100.94
Step by Step Solution
- Step 1: Write the proportion equation
271,451.35 : 374,560.66 = 155,163.09 : x - Step 2: Convert to fraction form
271,451.35/374,560.66 = 155,163.09/x - Step 3: Cross multiply
271,451.35x = 374,560.66 × 155,163.09 - Step 4: Simplify right side
271,451.35x = 58,117,990,123.80 - Step 5: Solve for x
x = 58,117,990,123.80/271,451.35 - Step 6: Final answer
x = 214,100.94
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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.