Finding the Fourth Proportional to 209,622.53, 289,458.93 and 202,843.94
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Solution
The fourth proportional to 209,622.53, 289,458.93 and 202,843.94 is: 280,098.65
Step by Step Solution
- Step 1: Write the proportion equation
209,622.53 : 289,458.93 = 202,843.94 : x - Step 2: Convert to fraction form
209,622.53/289,458.93 = 202,843.94/x - Step 3: Cross multiply
209,622.53x = 289,458.93 × 202,843.94 - Step 4: Simplify right side
209,622.53x = 58,714,987,367.87 - Step 5: Solve for x
x = 58,714,987,367.87/209,622.53 - Step 6: Final answer
x = 280,098.65
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1.5x scale
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.