Finding the Fourth Proportional to 222,231.88, 306,668.18 and 121,610.44
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Solution
The fourth proportional to 222,231.88, 306,668.18 and 121,610.44 is: 167,815.94
Step by Step Solution
- Step 1: Write the proportion equation
222,231.88 : 306,668.18 = 121,610.44 : x - Step 2: Convert to fraction form
222,231.88/306,668.18 = 121,610.44/x - Step 3: Cross multiply
222,231.88x = 306,668.18 × 121,610.44 - Step 4: Simplify right side
222,231.88x = 37,294,052,303.80 - Step 5: Solve for x
x = 37,294,052,303.80/222,231.88 - Step 6: Final answer
x = 167,815.94
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1.5x scale
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.