Finding the Fourth Proportional to 234,413.10, 323,490.87 and 126,982.80
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Solution
The fourth proportional to 234,413.10, 323,490.87 and 126,982.80 is: 175,236.69
Step by Step Solution
- Step 1: Write the proportion equation
234,413.10 : 323,490.87 = 126,982.80 : x - Step 2: Convert to fraction form
234,413.10/323,490.87 = 126,982.80/x - Step 3: Cross multiply
234,413.10x = 323,490.87 × 126,982.80 - Step 4: Simplify right side
234,413.10x = 41,077,776,447.04 - Step 5: Solve for x
x = 41,077,776,447.04/234,413.10 - Step 6: Final answer
x = 175,236.69
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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.