Finding the Fourth Proportional to 305,195.44, 421,174.77 and 169,235.12
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Solution
The fourth proportional to 305,195.44, 421,174.77 and 169,235.12 is: 233,547.27
Step by Step Solution
- Step 1: Write the proportion equation
305,195.44 : 421,174.77 = 169,235.12 : x - Step 2: Convert to fraction form
305,195.44/421,174.77 = 169,235.12/x - Step 3: Cross multiply
305,195.44x = 421,174.77 × 169,235.12 - Step 4: Simplify right side
305,195.44x = 71,277,560,636.05 - Step 5: Solve for x
x = 71,277,560,636.05/305,195.44 - Step 6: Final answer
x = 233,547.27
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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.