Finding the Fourth Proportional to 146,608.74, 202,320.45 and 79,540.74
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Solution
The fourth proportional to 146,608.74, 202,320.45 and 79,540.74 is: 109,766.43
Step by Step Solution
- Step 1: Write the proportion equation
146,608.74 : 202,320.45 = 79,540.74 : x - Step 2: Convert to fraction form
146,608.74/202,320.45 = 79,540.74/x - Step 3: Cross multiply
146,608.74x = 202,320.45 × 79,540.74 - Step 4: Simplify right side
146,608.74x = 16,092,718,310.13 - Step 5: Solve for x
x = 16,092,718,310.13/146,608.74 - Step 6: Final answer
x = 109,766.43
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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.