Finding the Fourth Proportional to 203,569.14, 305,042.28 and 108,812.79
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Solution
The fourth proportional to 203,569.14, 305,042.28 and 108,812.79 is: 163,052.72
Step by Step Solution
- Step 1: Write the proportion equation
203,569.14 : 305,042.28 = 108,812.79 : x - Step 2: Convert to fraction form
203,569.14/305,042.28 = 108,812.79/x - Step 3: Cross multiply
203,569.14x = 305,042.28 × 108,812.79 - Step 4: Simplify right side
203,569.14x = 33,192,501,554.76 - Step 5: Solve for x
x = 33,192,501,554.76/203,569.14 - Step 6: Final answer
x = 163,052.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.