Finding the Fourth Proportional to 494,347.92, 682,235.10 and 279,490.02
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Solution
The fourth proportional to 494,347.92, 682,235.10 and 279,490.02 is: 385,716.00
Step by Step Solution
- Step 1: Write the proportion equation
494,347.92 : 682,235.10 = 279,490.02 : x - Step 2: Convert to fraction form
494,347.92/682,235.10 = 279,490.02/x - Step 3: Cross multiply
494,347.92x = 682,235.10 × 279,490.02 - Step 4: Simplify right side
494,347.92x = 190,677,901,743.70 - Step 5: Solve for x
x = 190,677,901,743.70/494,347.92 - Step 6: Final answer
x = 385,716.00
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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.