Finding the Fourth Proportional to 312,007.67, 467,092.97 and 193,297.31
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Solution
The fourth proportional to 312,007.67, 467,092.97 and 193,297.31 is: 289,376.90
Step by Step Solution
- Step 1: Write the proportion equation
312,007.67 : 467,092.97 = 193,297.31 : x - Step 2: Convert to fraction form
312,007.67/467,092.97 = 193,297.31/x - Step 3: Cross multiply
312,007.67x = 467,092.97 × 193,297.31 - Step 4: Simplify right side
312,007.67x = 90,287,813,654.42 - Step 5: Solve for x
x = 90,287,813,654.42/312,007.67 - Step 6: Final answer
x = 289,376.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.