Finding the Fourth Proportional to 274,357.26, 378,647.73 and 166,920.84
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Solution
The fourth proportional to 274,357.26, 378,647.73 and 166,920.84 is: 230,371.88
Step by Step Solution
- Step 1: Write the proportion equation
274,357.26 : 378,647.73 = 166,920.84 : x - Step 2: Convert to fraction form
274,357.26/378,647.73 = 166,920.84/x - Step 3: Cross multiply
274,357.26x = 378,647.73 × 166,920.84 - Step 4: Simplify right side
274,357.26x = 63,204,197,155.69 - Step 5: Solve for x
x = 63,204,197,155.69/274,357.26 - Step 6: Final answer
x = 230,371.88
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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.