Finding the Fourth Proportional to 305,554.22, 421,684.52 and 169,588.17
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Solution
The fourth proportional to 305,554.22, 421,684.52 and 169,588.17 is: 234,042.62
Step by Step Solution
- Step 1: Write the proportion equation
305,554.22 : 421,684.52 = 169,588.17 : x - Step 2: Convert to fraction form
305,554.22/421,684.52 = 169,588.17/x - Step 3: Cross multiply
305,554.22x = 421,684.52 × 169,588.17 - Step 4: Simplify right side
305,554.22x = 71,512,707,833.08 - Step 5: Solve for x
x = 71,512,707,833.08/305,554.22 - Step 6: Final answer
x = 234,042.62
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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.