Finding the Fourth Proportional to 494,002.09, 681,713.97 and 279,137.53
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Solution
The fourth proportional to 494,002.09, 681,713.97 and 279,137.53 is: 385,204.75
Step by Step Solution
- Step 1: Write the proportion equation
494,002.09 : 681,713.97 = 279,137.53 : x - Step 2: Convert to fraction form
494,002.09/681,713.97 = 279,137.53/x - Step 3: Cross multiply
494,002.09x = 681,713.97 × 279,137.53 - Step 4: Simplify right side
494,002.09x = 190,291,953,752.29 - Step 5: Solve for x
x = 190,291,953,752.29/494,002.09 - Step 6: Final answer
x = 385,204.75
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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.