Finding the Fourth Proportional to 235,120.38, 324,466.02 and 127,690.44
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Solution
The fourth proportional to 235,120.38, 324,466.02 and 127,690.44 is: 176,212.75
Step by Step Solution
- Step 1: Write the proportion equation
235,120.38 : 324,466.02 = 127,690.44 : x - Step 2: Convert to fraction form
235,120.38/324,466.02 = 127,690.44/x - Step 3: Cross multiply
235,120.38x = 324,466.02 × 127,690.44 - Step 4: Simplify right side
235,120.38x = 41,431,208,858.85 - Step 5: Solve for x
x = 41,431,208,858.85/235,120.38 - Step 6: Final answer
x = 176,212.75
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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.