Finding the Fourth Proportional to 248,851.20, 343,413.76 and 135,673.92
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Solution
The fourth proportional to 248,851.20, 343,413.76 and 135,673.92 is: 187,229.52
Step by Step Solution
- Step 1: Write the proportion equation
248,851.20 : 343,413.76 = 135,673.92 : x - Step 2: Convert to fraction form
248,851.20/343,413.76 = 135,673.92/x - Step 3: Cross multiply
248,851.20x = 343,413.76 × 135,673.92 - Step 4: Simplify right side
248,851.20x = 46,592,291,001.14 - Step 5: Solve for x
x = 46,592,291,001.14/248,851.20 - Step 6: Final answer
x = 187,229.52
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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.