Finding the Fourth Proportional to 111,260.41, 166,888.79 and 27,021.26
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Solution
The fourth proportional to 111,260.41, 166,888.79 and 27,021.26 is: 40,531.45
Step by Step Solution
- Step 1: Write the proportion equation
111,260.41 : 166,888.79 = 27,021.26 : x - Step 2: Convert to fraction form
111,260.41/166,888.79 = 27,021.26/x - Step 3: Cross multiply
111,260.41x = 166,888.79 × 27,021.26 - Step 4: Simplify right side
111,260.41x = 4,509,545,769.12 - Step 5: Solve for x
x = 4,509,545,769.12/111,260.41 - Step 6: Final answer
x = 40,531.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.