Finding the Fourth Proportional to 355,504.74, 490,608.39 and 194,356.26
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Solution
The fourth proportional to 355,504.74, 490,608.39 and 194,356.26 is: 268,218.12
Step by Step Solution
- Step 1: Write the proportion equation
355,504.74 : 490,608.39 = 194,356.26 : x - Step 2: Convert to fraction form
355,504.74/490,608.39 = 194,356.26/x - Step 3: Cross multiply
355,504.74x = 490,608.39 × 194,356.26 - Step 4: Simplify right side
355,504.74x = 95,352,811,805.02 - Step 5: Solve for x
x = 95,352,811,805.02/355,504.74 - Step 6: Final answer
x = 268,218.12
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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.