Finding the Fourth Proportional to 494,218.49, 682,022.09 and 267,863.99
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Solution
The fourth proportional to 494,218.49, 682,022.09 and 267,863.99 is: 369,652.62
Step by Step Solution
- Step 1: Write the proportion equation
494,218.49 : 682,022.09 = 267,863.99 : x - Step 2: Convert to fraction form
494,218.49/682,022.09 = 267,863.99/x - Step 3: Cross multiply
494,218.49x = 682,022.09 × 267,863.99 - Step 4: Simplify right side
494,218.49x = 182,689,155,555.09 - Step 5: Solve for x
x = 182,689,155,555.09/494,218.49 - Step 6: Final answer
x = 369,652.62
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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.