Finding the Fourth Proportional to 494,010.57, 681,725.70 and 279,145.99
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Solution
The fourth proportional to 494,010.57, 681,725.70 and 279,145.99 is: 385,216.44
Step by Step Solution
- Step 1: Write the proportion equation
494,010.57 : 681,725.70 = 279,145.99 : x - Step 2: Convert to fraction form
494,010.57/681,725.70 = 279,145.99/x - Step 3: Cross multiply
494,010.57x = 681,725.70 × 279,145.99 - Step 4: Simplify right side
494,010.57x = 190,300,995,434.94 - Step 5: Solve for x
x = 190,300,995,434.94/494,010.57 - Step 6: Final answer
x = 385,216.44
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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.