Finding the Fourth Proportional to 201,413.79, 277,945.16 and 110,769.66
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Solution
The fourth proportional to 201,413.79, 277,945.16 and 110,769.66 is: 152,858.90
Step by Step Solution
- Step 1: Write the proportion equation
201,413.79 : 277,945.16 = 110,769.66 : x - Step 2: Convert to fraction form
201,413.79/277,945.16 = 110,769.66/x - Step 3: Cross multiply
201,413.79x = 277,945.16 × 110,769.66 - Step 4: Simplify right side
201,413.79x = 30,787,890,318.00 - Step 5: Solve for x
x = 30,787,890,318.00/201,413.79 - Step 6: Final answer
x = 152,858.90
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1.5x scale
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.