Finding the Fourth Proportional to 404,297.44, 557,508.36 and 281,932.08
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Solution
The fourth proportional to 404,297.44, 557,508.36 and 281,932.08 is: 388,771.92
Step by Step Solution
- Step 1: Write the proportion equation
404,297.44 : 557,508.36 = 281,932.08 : x - Step 2: Convert to fraction form
404,297.44/557,508.36 = 281,932.08/x - Step 3: Cross multiply
404,297.44x = 557,508.36 × 281,932.08 - Step 4: Simplify right side
404,297.44x = 157,179,491,552.19 - Step 5: Solve for x
x = 157,179,491,552.19/404,297.44 - Step 6: Final answer
x = 388,771.92
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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.