Finding the Fourth Proportional to 222,008.58, 306,135.26 and 178,942.80
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Solution
The fourth proportional to 222,008.58, 306,135.26 and 178,942.80 is: 246,750.38
Step by Step Solution
- Step 1: Write the proportion equation
222,008.58 : 306,135.26 = 178,942.80 : x - Step 2: Convert to fraction form
222,008.58/306,135.26 = 178,942.80/x - Step 3: Cross multiply
222,008.58x = 306,135.26 × 178,942.80 - Step 4: Simplify right side
222,008.58x = 54,780,700,603.13 - Step 5: Solve for x
x = 54,780,700,603.13/222,008.58 - Step 6: Final answer
x = 246,750.38
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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.