Finding the Fourth Proportional to 248,982.62, 343,600.12 and 135,805.38
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Solution
The fourth proportional to 248,982.62, 343,600.12 and 135,805.38 is: 187,413.66
Step by Step Solution
- Step 1: Write the proportion equation
248,982.62 : 343,600.12 = 135,805.38 : x - Step 2: Convert to fraction form
248,982.62/343,600.12 = 135,805.38/x - Step 3: Cross multiply
248,982.62x = 343,600.12 × 135,805.38 - Step 4: Simplify right side
248,982.62x = 46,662,744,864.65 - Step 5: Solve for x
x = 46,662,744,864.65/248,982.62 - Step 6: Final answer
x = 187,413.66
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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.