Finding the Fourth Proportional to 132,413.13, 198,619.79 and 38,984.49
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Solution
The fourth proportional to 132,413.13, 198,619.79 and 38,984.49 is: 58,476.76
Step by Step Solution
- Step 1: Write the proportion equation
132,413.13 : 198,619.79 = 38,984.49 : x - Step 2: Convert to fraction form
132,413.13/198,619.79 = 38,984.49/x - Step 3: Cross multiply
132,413.13x = 198,619.79 × 38,984.49 - Step 4: Simplify right side
132,413.13x = 7,743,091,022.13 - Step 5: Solve for x
x = 7,743,091,022.13/132,413.13 - Step 6: Final answer
x = 58,476.76
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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.