Finding the Fourth Proportional to 182,939.36, 252,418.45 and 125,557.60
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Solution
The fourth proportional to 182,939.36, 252,418.45 and 125,557.60 is: 173,243.50
Step by Step Solution
- Step 1: Write the proportion equation
182,939.36 : 252,418.45 = 125,557.60 : x - Step 2: Convert to fraction form
182,939.36/252,418.45 = 125,557.60/x - Step 3: Cross multiply
182,939.36x = 252,418.45 × 125,557.60 - Step 4: Simplify right side
182,939.36x = 31,693,054,777.72 - Step 5: Solve for x
x = 31,693,054,777.72/182,939.36 - Step 6: Final answer
x = 173,243.50
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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.