Finding the Fourth Proportional to 393,367.92, 543,045.36 and 232,273.44
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Solution
The fourth proportional to 393,367.92, 543,045.36 and 232,273.44 is: 320,654.04
Step by Step Solution
- Step 1: Write the proportion equation
393,367.92 : 543,045.36 = 232,273.44 : x - Step 2: Convert to fraction form
393,367.92/543,045.36 = 232,273.44/x - Step 3: Cross multiply
393,367.92x = 543,045.36 × 232,273.44 - Step 4: Simplify right side
393,367.92x = 126,135,013,843.24 - Step 5: Solve for x
x = 126,135,013,843.24/393,367.92 - Step 6: Final answer
x = 320,654.04
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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.