Finding the Fourth Proportional to 274,256.19, 378,453.99 and 159,552.90
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Solution
The fourth proportional to 274,256.19, 378,453.99 and 159,552.90 is: 220,171.63
Step by Step Solution
- Step 1: Write the proportion equation
274,256.19 : 378,453.99 = 159,552.90 : x - Step 2: Convert to fraction form
274,256.19/378,453.99 = 159,552.90/x - Step 3: Cross multiply
274,256.19x = 378,453.99 × 159,552.90 - Step 4: Simplify right side
274,256.19x = 60,383,431,621.07 - Step 5: Solve for x
x = 60,383,431,621.07/274,256.19 - Step 6: Final answer
x = 220,171.63
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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.