Finding the Fourth Proportional to 112,291.05, 168,413.79 and 41,189.49
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Solution
The fourth proportional to 112,291.05, 168,413.79 and 41,189.49 is: 61,775.88
Step by Step Solution
- Step 1: Write the proportion equation
112,291.05 : 168,413.79 = 41,189.49 : x - Step 2: Convert to fraction form
112,291.05/168,413.79 = 41,189.49/x - Step 3: Cross multiply
112,291.05x = 168,413.79 × 41,189.49 - Step 4: Simplify right side
112,291.05x = 6,936,878,119.07 - Step 5: Solve for x
x = 6,936,878,119.07/112,291.05 - Step 6: Final answer
x = 61,775.88
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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.