Finding the Fourth Proportional to 251,757.44, 347,425.44 and 138,582.08
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Solution
The fourth proportional to 251,757.44, 347,425.44 and 138,582.08 is: 191,243.37
Step by Step Solution
- Step 1: Write the proportion equation
251,757.44 : 347,425.44 = 138,582.08 : x - Step 2: Convert to fraction form
251,757.44/347,425.44 = 138,582.08/x - Step 3: Cross multiply
251,757.44x = 347,425.44 × 138,582.08 - Step 4: Simplify right side
251,757.44x = 48,146,940,120.12 - Step 5: Solve for x
x = 48,146,940,120.12/251,757.44 - Step 6: Final answer
x = 191,243.37
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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.