Finding the Fourth Proportional to 202,042.40, 303,034.80 and 68,928.80
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Solution
The fourth proportional to 202,042.40, 303,034.80 and 68,928.80 is: 103,383.37
Step by Step Solution
- Step 1: Write the proportion equation
202,042.40 : 303,034.80 = 68,928.80 : x - Step 2: Convert to fraction form
202,042.40/303,034.80 = 68,928.80/x - Step 3: Cross multiply
202,042.40x = 303,034.80 × 68,928.80 - Step 4: Simplify right side
202,042.40x = 20,887,825,122.24 - Step 5: Solve for x
x = 20,887,825,122.24/202,042.40 - Step 6: Final answer
x = 103,383.37
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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.