Finding the Fourth Proportional to 203,661.68, 281,058.24 and 113,021.46
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Solution
The fourth proportional to 203,661.68, 281,058.24 and 113,021.46 is: 155,972.46
Step by Step Solution
- Step 1: Write the proportion equation
203,661.68 : 281,058.24 = 113,021.46 : x - Step 2: Convert to fraction form
203,661.68/281,058.24 = 113,021.46/x - Step 3: Cross multiply
203,661.68x = 281,058.24 × 113,021.46 - Step 4: Simplify right side
203,661.68x = 31,765,612,629.83 - Step 5: Solve for x
x = 31,765,612,629.83/203,661.68 - Step 6: Final answer
x = 155,972.46
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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.