Finding the Fourth Proportional to 271,751.11, 405,796.68 and 221,930.03
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Solution
The fourth proportional to 271,751.11, 405,796.68 and 221,930.03 is: 331,400.56
Step by Step Solution
- Step 1: Write the proportion equation
271,751.11 : 405,796.68 = 221,930.03 : x - Step 2: Convert to fraction form
271,751.11/405,796.68 = 221,930.03/x - Step 3: Cross multiply
271,751.11x = 405,796.68 × 221,930.03 - Step 4: Simplify right side
271,751.11x = 90,058,469,366.30 - Step 5: Solve for x
x = 90,058,469,366.30/271,751.11 - Step 6: Final answer
x = 331,400.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.