Finding the Fourth Proportional to 308,269.53, 425,398.91 and 193,608.09
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Solution
The fourth proportional to 308,269.53, 425,398.91 and 193,608.09 is: 267,170.97
Step by Step Solution
- Step 1: Write the proportion equation
308,269.53 : 425,398.91 = 193,608.09 : x - Step 2: Convert to fraction form
308,269.53/425,398.91 = 193,608.09/x - Step 3: Cross multiply
308,269.53x = 425,398.91 × 193,608.09 - Step 4: Simplify right side
308,269.53x = 82,360,669,485.14 - Step 5: Solve for x
x = 82,360,669,485.14/308,269.53 - Step 6: Final answer
x = 267,170.97
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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.