Finding the Fourth Proportional to 271,473.96, 374,651.76 and 156,757.44
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Solution
The fourth proportional to 271,473.96, 374,651.76 and 156,757.44 is: 216,335.48
Step by Step Solution
- Step 1: Write the proportion equation
271,473.96 : 374,651.76 = 156,757.44 : x - Step 2: Convert to fraction form
271,473.96/374,651.76 = 156,757.44/x - Step 3: Cross multiply
271,473.96x = 374,651.76 × 156,757.44 - Step 4: Simplify right side
271,473.96x = 58,729,450,789.09 - Step 5: Solve for x
x = 58,729,450,789.09/271,473.96 - Step 6: Final answer
x = 216,335.48
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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.