Finding the Fourth Proportional to 305,147.27, 421,102.48 and 169,177.73
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Solution
The fourth proportional to 305,147.27, 421,102.48 and 169,177.73 is: 233,464.85
Step by Step Solution
- Step 1: Write the proportion equation
305,147.27 : 421,102.48 = 169,177.73 : x - Step 2: Convert to fraction form
305,147.27/421,102.48 = 169,177.73/x - Step 3: Cross multiply
305,147.27x = 421,102.48 × 169,177.73 - Step 4: Simplify right side
305,147.27x = 71,241,161,821.22 - Step 5: Solve for x
x = 71,241,161,821.22/305,147.27 - Step 6: Final answer
x = 233,464.85
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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.