Finding the Fourth Proportional to 213,806.97, 294,713.73 and 168,413.07
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Solution
The fourth proportional to 213,806.97, 294,713.73 and 168,413.07 is: 232,142.31
Step by Step Solution
- Step 1: Write the proportion equation
213,806.97 : 294,713.73 = 168,413.07 : x - Step 2: Convert to fraction form
213,806.97/294,713.73 = 168,413.07/x - Step 3: Cross multiply
213,806.97x = 294,713.73 × 168,413.07 - Step 4: Simplify right side
213,806.97x = 49,633,644,040.45 - Step 5: Solve for x
x = 49,633,644,040.45/213,806.97 - Step 6: Final answer
x = 232,142.31
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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.