Finding the Fourth Proportional to 195,747.81, 270,119.18 and 115,159.75
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Solution
The fourth proportional to 195,747.81, 270,119.18 and 115,159.75 is: 158,912.92
Step by Step Solution
- Step 1: Write the proportion equation
195,747.81 : 270,119.18 = 115,159.75 : x - Step 2: Convert to fraction form
195,747.81/270,119.18 = 115,159.75/x - Step 3: Cross multiply
195,747.81x = 270,119.18 × 115,159.75 - Step 4: Simplify right side
195,747.81x = 31,106,857,287.43 - Step 5: Solve for x
x = 31,106,857,287.43/195,747.81 - Step 6: Final answer
x = 158,912.92
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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.