Finding the Fourth Proportional to 222,413.14, 306,934.36 and 121,811.14
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Solution
The fourth proportional to 222,413.14, 306,934.36 and 121,811.14 is: 168,101.69
Step by Step Solution
- Step 1: Write the proportion equation
222,413.14 : 306,934.36 = 121,811.14 : x - Step 2: Convert to fraction form
222,413.14/306,934.36 = 121,811.14/x - Step 3: Cross multiply
222,413.14x = 306,934.36 × 121,811.14 - Step 4: Simplify right side
222,413.14x = 37,388,025,061.10 - Step 5: Solve for x
x = 37,388,025,061.10/222,413.14 - Step 6: Final answer
x = 168,101.69
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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.