Finding the Fourth Proportional to 222,232.02, 306,687.51 and 121,630.02
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Solution
The fourth proportional to 222,232.02, 306,687.51 and 121,630.02 is: 167,853.44
Step by Step Solution
- Step 1: Write the proportion equation
222,232.02 : 306,687.51 = 121,630.02 : x - Step 2: Convert to fraction form
222,232.02/306,687.51 = 121,630.02/x - Step 3: Cross multiply
222,232.02x = 306,687.51 × 121,630.02 - Step 4: Simplify right side
222,232.02x = 37,302,407,975.05 - Step 5: Solve for x
x = 37,302,407,975.05/222,232.02 - Step 6: Final answer
x = 167,853.44
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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.