Finding the Fourth Proportional to 271,198.21, 374,218.95 and 150,338.42
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Solution
The fourth proportional to 271,198.21, 374,218.95 and 150,338.42 is: 207,447.85
Step by Step Solution
- Step 1: Write the proportion equation
271,198.21 : 374,218.95 = 150,338.42 : x - Step 2: Convert to fraction form
271,198.21/374,218.95 = 150,338.42/x - Step 3: Cross multiply
271,198.21x = 374,218.95 × 150,338.42 - Step 4: Simplify right side
271,198.21x = 56,259,485,677.06 - Step 5: Solve for x
x = 56,259,485,677.06/271,198.21 - Step 6: Final answer
x = 207,447.85
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1.5x scale
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.