Finding the Fourth Proportional to 111,479.13, 167,218.08 and 27,239.76
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Solution
The fourth proportional to 111,479.13, 167,218.08 and 27,239.76 is: 40,859.49
Step by Step Solution
- Step 1: Write the proportion equation
111,479.13 : 167,218.08 = 27,239.76 : x - Step 2: Convert to fraction form
111,479.13/167,218.08 = 27,239.76/x - Step 3: Cross multiply
111,479.13x = 167,218.08 × 27,239.76 - Step 4: Simplify right side
111,479.13x = 4,554,980,230.66 - Step 5: Solve for x
x = 4,554,980,230.66/111,479.13 - Step 6: Final answer
x = 40,859.49
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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.