Finding the Fourth Proportional to 494,268.60, 682,132.98 and 279,446.88
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Solution
The fourth proportional to 494,268.60, 682,132.98 and 279,446.88 is: 385,660.62
Step by Step Solution
- Step 1: Write the proportion equation
494,268.60 : 682,132.98 = 279,446.88 : x - Step 2: Convert to fraction form
494,268.60/682,132.98 = 279,446.88/x - Step 3: Cross multiply
494,268.60x = 682,132.98 × 279,446.88 - Step 4: Simplify right side
494,268.60x = 190,619,933,006.10 - Step 5: Solve for x
x = 190,619,933,006.10/494,268.60 - Step 6: Final answer
x = 385,660.62
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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.