Finding the Fourth Proportional to 494,714.97, 682,706.88 and 279,850.46
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Solution
The fourth proportional to 494,714.97, 682,706.88 and 279,850.46 is: 386,193.75
Step by Step Solution
- Step 1: Write the proportion equation
494,714.97 : 682,706.88 = 279,850.46 : x - Step 2: Convert to fraction form
494,714.97/682,706.88 = 279,850.46/x - Step 3: Cross multiply
494,714.97x = 682,706.88 × 279,850.46 - Step 4: Simplify right side
494,714.97x = 191,055,830,999.63 - Step 5: Solve for x
x = 191,055,830,999.63/494,714.97 - Step 6: Final answer
x = 386,193.75
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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.