Finding the Fourth Proportional to 273,939.52, 378,079.92 and 166,543.20
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Solution
The fourth proportional to 273,939.52, 378,079.92 and 166,543.20 is: 229,855.99
Step by Step Solution
- Step 1: Write the proportion equation
273,939.52 : 378,079.92 = 166,543.20 : x - Step 2: Convert to fraction form
273,939.52/378,079.92 = 166,543.20/x - Step 3: Cross multiply
273,939.52x = 378,079.92 × 166,543.20 - Step 4: Simplify right side
273,939.52x = 62,966,639,732.54 - Step 5: Solve for x
x = 62,966,639,732.54/273,939.52 - Step 6: Final answer
x = 229,855.99
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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.