Finding the Fourth Proportional to 192,413.49, 288,304.72 and 135,977.96
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Solution
The fourth proportional to 192,413.49, 288,304.72 and 135,977.96 is: 203,743.96
Step by Step Solution
- Step 1: Write the proportion equation
192,413.49 : 288,304.72 = 135,977.96 : x - Step 2: Convert to fraction form
192,413.49/288,304.72 = 135,977.96/x - Step 3: Cross multiply
192,413.49x = 288,304.72 × 135,977.96 - Step 4: Simplify right side
192,413.49x = 39,203,086,443.07 - Step 5: Solve for x
x = 39,203,086,443.07/192,413.49 - Step 6: Final answer
x = 203,743.96
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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.