Finding the Fourth Proportional to 486,027.28, 670,716.72 and 271,154.56
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Solution
The fourth proportional to 486,027.28, 670,716.72 and 271,154.56 is: 374,192.78
Step by Step Solution
- Step 1: Write the proportion equation
486,027.28 : 670,716.72 = 271,154.56 : x - Step 2: Convert to fraction form
486,027.28/670,716.72 = 271,154.56/x - Step 3: Cross multiply
486,027.28x = 670,716.72 × 271,154.56 - Step 4: Simplify right side
486,027.28x = 181,867,897,096.24 - Step 5: Solve for x
x = 181,867,897,096.24/486,027.28 - Step 6: Final answer
x = 374,192.78
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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.