Finding the Fourth Proportional to 196,160.91, 270,729.63 and 114,515.94
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Solution
The fourth proportional to 196,160.91, 270,729.63 and 114,515.94 is: 158,048.09
Step by Step Solution
- Step 1: Write the proportion equation
196,160.91 : 270,729.63 = 114,515.94 : x - Step 2: Convert to fraction form
196,160.91/270,729.63 = 114,515.94/x - Step 3: Cross multiply
196,160.91x = 270,729.63 × 114,515.94 - Step 4: Simplify right side
196,160.91x = 31,002,858,065.30 - Step 5: Solve for x
x = 31,002,858,065.30/196,160.91 - Step 6: Final answer
x = 158,048.09
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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.