Finding the Fourth Proportional to 352,413.97, 486,331.76 and 191,269.02
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Solution
The fourth proportional to 352,413.97, 486,331.76 and 191,269.02 is: 263,951.51
Step by Step Solution
- Step 1: Write the proportion equation
352,413.97 : 486,331.76 = 191,269.02 : x - Step 2: Convert to fraction form
352,413.97/486,331.76 = 191,269.02/x - Step 3: Cross multiply
352,413.97x = 486,331.76 × 191,269.02 - Step 4: Simplify right side
352,413.97x = 93,020,198,173.73 - Step 5: Solve for x
x = 93,020,198,173.73/352,413.97 - Step 6: Final answer
x = 263,951.51
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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.