Finding the Fourth Proportional to 222,357.51, 306,853.49 and 120,382.99
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Solution
The fourth proportional to 222,357.51, 306,853.49 and 120,382.99 is: 166,128.60
Step by Step Solution
- Step 1: Write the proportion equation
222,357.51 : 306,853.49 = 120,382.99 : x - Step 2: Convert to fraction form
222,357.51/306,853.49 = 120,382.99/x - Step 3: Cross multiply
222,357.51x = 306,853.49 × 120,382.99 - Step 4: Simplify right side
222,357.51x = 36,939,940,016.22 - Step 5: Solve for x
x = 36,939,940,016.22/222,357.51 - Step 6: Final answer
x = 166,128.60
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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.