Finding the Fourth Proportional to 186,791.37, 257,791.97 and 114,236.70
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Solution
The fourth proportional to 186,791.37, 257,791.97 and 114,236.70 is: 157,658.81
Step by Step Solution
- Step 1: Write the proportion equation
186,791.37 : 257,791.97 = 114,236.70 : x - Step 2: Convert to fraction form
186,791.37/257,791.97 = 114,236.70/x - Step 3: Cross multiply
186,791.37x = 257,791.97 × 114,236.70 - Step 4: Simplify right side
186,791.37x = 29,449,304,790.71 - Step 5: Solve for x
x = 29,449,304,790.71/186,791.37 - Step 6: Final answer
x = 157,658.81
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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.