Finding the Fourth Proportional to 494,515.63, 682,431.57 and 268,161.31
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Solution
The fourth proportional to 494,515.63, 682,431.57 and 268,161.31 is: 370,062.60
Step by Step Solution
- Step 1: Write the proportion equation
494,515.63 : 682,431.57 = 268,161.31 : x - Step 2: Convert to fraction form
494,515.63/682,431.57 = 268,161.31/x - Step 3: Cross multiply
494,515.63x = 682,431.57 × 268,161.31 - Step 4: Simplify right side
494,515.63x = 183,001,739,043.59 - Step 5: Solve for x
x = 183,001,739,043.59/494,515.63 - Step 6: Final answer
x = 370,062.60
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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.