Finding the Fourth Proportional to 306,490.83, 422,717.67 and 199,095.48
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Solution
The fourth proportional to 306,490.83, 422,717.67 and 199,095.48 is: 274,596.07
Step by Step Solution
- Step 1: Write the proportion equation
306,490.83 : 422,717.67 = 199,095.48 : x - Step 2: Convert to fraction form
306,490.83/422,717.67 = 199,095.48/x - Step 3: Cross multiply
306,490.83x = 422,717.67 × 199,095.48 - Step 4: Simplify right side
306,490.83x = 84,161,177,413.13 - Step 5: Solve for x
x = 84,161,177,413.13/306,490.83 - Step 6: Final answer
x = 274,596.07
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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.