Finding the Fourth Proportional to 111,218.24, 153,481.92 and 60,230.99
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Solution
The fourth proportional to 111,218.24, 153,481.92 and 60,230.99 is: 83,119.17
Step by Step Solution
- Step 1: Write the proportion equation
111,218.24 : 153,481.92 = 60,230.99 : x - Step 2: Convert to fraction form
111,218.24/153,481.92 = 60,230.99/x - Step 3: Cross multiply
111,218.24x = 153,481.92 × 60,230.99 - Step 4: Simplify right side
111,218.24x = 9,244,367,988.70 - Step 5: Solve for x
x = 9,244,367,988.70/111,218.24 - Step 6: Final answer
x = 83,119.17
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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.