Finding the Fourth Proportional to 210,906.77, 291,051.36 and 115,413.48
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Solution
The fourth proportional to 210,906.77, 291,051.36 and 115,413.48 is: 159,270.62
Step by Step Solution
- Step 1: Write the proportion equation
210,906.77 : 291,051.36 = 115,413.48 : x - Step 2: Convert to fraction form
210,906.77/291,051.36 = 115,413.48/x - Step 3: Cross multiply
210,906.77x = 291,051.36 × 115,413.48 - Step 4: Simplify right side
210,906.77x = 33,591,250,316.33 - Step 5: Solve for x
x = 33,591,250,316.33/210,906.77 - Step 6: Final answer
x = 159,270.62
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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.