Finding the Fourth Proportional to 218,077.20, 327,115.80 and 202,330.80
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Solution
The fourth proportional to 218,077.20, 327,115.80 and 202,330.80 is: 303,496.20
Step by Step Solution
- Step 1: Write the proportion equation
218,077.20 : 327,115.80 = 202,330.80 : x - Step 2: Convert to fraction form
218,077.20/327,115.80 = 202,330.80/x - Step 3: Cross multiply
218,077.20x = 327,115.80 × 202,330.80 - Step 4: Simplify right side
218,077.20x = 66,185,601,506.64 - Step 5: Solve for x
x = 66,185,601,506.64/218,077.20 - Step 6: Final answer
x = 303,496.20
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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.