Finding the Fourth Proportional to 326,119.26, 489,174.34 and 113,042.28
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Solution
The fourth proportional to 326,119.26, 489,174.34 and 113,042.28 is: 169,561.84
Step by Step Solution
- Step 1: Write the proportion equation
326,119.26 : 489,174.34 = 113,042.28 : x - Step 2: Convert to fraction form
326,119.26/489,174.34 = 113,042.28/x - Step 3: Cross multiply
326,119.26x = 489,174.34 × 113,042.28 - Step 4: Simplify right side
326,119.26x = 55,297,382,711.10 - Step 5: Solve for x
x = 55,297,382,711.10/326,119.26 - Step 6: Final answer
x = 169,561.84
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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.