Finding the Fourth Proportional to 494,008.07, 681,722.26 and 279,143.48
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Solution
The fourth proportional to 494,008.07, 681,722.26 and 279,143.48 is: 385,212.99
Step by Step Solution
- Step 1: Write the proportion equation
494,008.07 : 681,722.26 = 279,143.48 : x - Step 2: Convert to fraction form
494,008.07/681,722.26 = 279,143.48/x - Step 3: Cross multiply
494,008.07x = 681,722.26 × 279,143.48 - Step 4: Simplify right side
494,008.07x = 190,298,325,056.31 - Step 5: Solve for x
x = 190,298,325,056.31/494,008.07 - Step 6: Final answer
x = 385,212.99
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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.