Finding the Fourth Proportional to 225,716.26, 338,335.67 and 83,470.13
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Solution
The fourth proportional to 225,716.26, 338,335.67 and 83,470.13 is: 125,116.92
Step by Step Solution
- Step 1: Write the proportion equation
225,716.26 : 338,335.67 = 83,470.13 : x - Step 2: Convert to fraction form
225,716.26/338,335.67 = 83,470.13/x - Step 3: Cross multiply
225,716.26x = 338,335.67 × 83,470.13 - Step 4: Simplify right side
225,716.26x = 28,240,923,413.05 - Step 5: Solve for x
x = 28,240,923,413.05/225,716.26 - Step 6: Final answer
x = 125,116.92
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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.