Finding the Fourth Proportional to 363,939.60, 502,229.86 and 202,791.23
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Solution
The fourth proportional to 363,939.60, 502,229.86 and 202,791.23 is: 279,848.12
Step by Step Solution
- Step 1: Write the proportion equation
363,939.60 : 502,229.86 = 202,791.23 : x - Step 2: Convert to fraction form
363,939.60/502,229.86 = 202,791.23/x - Step 3: Cross multiply
363,939.60x = 502,229.86 × 202,791.23 - Step 4: Simplify right side
363,939.60x = 101,847,811,052.13 - Step 5: Solve for x
x = 101,847,811,052.13/363,939.60 - Step 6: Final answer
x = 279,848.12
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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.