Finding the Fourth Proportional to 325,736.70, 489,042.45 and 207,930.30
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Solution
The fourth proportional to 325,736.70, 489,042.45 and 207,930.30 is: 312,174.66
Step by Step Solution
- Step 1: Write the proportion equation
325,736.70 : 489,042.45 = 207,930.30 : x - Step 2: Convert to fraction form
325,736.70/489,042.45 = 207,930.30/x - Step 3: Cross multiply
325,736.70x = 489,042.45 × 207,930.30 - Step 4: Simplify right side
325,736.70x = 101,686,743,341.24 - Step 5: Solve for x
x = 101,686,743,341.24/325,736.70 - Step 6: Final answer
x = 312,174.66
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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.