Finding the Fourth Proportional to 197,881.20, 296,821.80 and 173,305.20
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Solution
The fourth proportional to 197,881.20, 296,821.80 and 173,305.20 is: 259,957.80
Step by Step Solution
- Step 1: Write the proportion equation
197,881.20 : 296,821.80 = 173,305.20 : x - Step 2: Convert to fraction form
197,881.20/296,821.80 = 173,305.20/x - Step 3: Cross multiply
197,881.20x = 296,821.80 × 173,305.20 - Step 4: Simplify right side
197,881.20x = 51,440,761,413.36 - Step 5: Solve for x
x = 51,440,761,413.36/197,881.20 - Step 6: Final answer
x = 259,957.80
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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.