Finding the Fourth Proportional to 494,359.09, 681,724.26 and 372,144.07
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Solution
The fourth proportional to 494,359.09, 681,724.26 and 372,144.07 is: 513,188.99
Step by Step Solution
- Step 1: Write the proportion equation
494,359.09 : 681,724.26 = 372,144.07 : x - Step 2: Convert to fraction form
494,359.09/681,724.26 = 372,144.07/x - Step 3: Cross multiply
494,359.09x = 681,724.26 × 372,144.07 - Step 4: Simplify right side
494,359.09x = 253,699,640,734.14 - Step 5: Solve for x
x = 253,699,640,734.14/494,359.09 - Step 6: Final answer
x = 513,188.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.