Finding the Fourth Proportional to 271,277.05, 374,327.92 and 148,737.18
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Solution
The fourth proportional to 271,277.05, 374,327.92 and 148,737.18 is: 205,238.45
Step by Step Solution
- Step 1: Write the proportion equation
271,277.05 : 374,327.92 = 148,737.18 : x - Step 2: Convert to fraction form
271,277.05/374,327.92 = 148,737.18/x - Step 3: Cross multiply
271,277.05x = 374,327.92 × 148,737.18 - Step 4: Simplify right side
271,277.05x = 55,676,479,969.07 - Step 5: Solve for x
x = 55,676,479,969.07/271,277.05 - Step 6: Final answer
x = 205,238.45
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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.