Finding the Fourth Proportional to 117,305.19, 175,982.67 and 38,413.62
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Solution
The fourth proportional to 117,305.19, 175,982.67 and 38,413.62 is: 57,628.58
Step by Step Solution
- Step 1: Write the proportion equation
117,305.19 : 175,982.67 = 38,413.62 : x - Step 2: Convert to fraction form
117,305.19/175,982.67 = 38,413.62/x - Step 3: Cross multiply
117,305.19x = 175,982.67 × 38,413.62 - Step 4: Simplify right side
117,305.19x = 6,760,131,411.97 - Step 5: Solve for x
x = 6,760,131,411.97/117,305.19 - Step 6: Final answer
x = 57,628.58
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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.