Finding the Fourth Proportional to 327,942.70, 490,802.08 and 201,662.28
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Solution
The fourth proportional to 327,942.70, 490,802.08 and 201,662.28 is: 301,809.63
Step by Step Solution
- Step 1: Write the proportion equation
327,942.70 : 490,802.08 = 201,662.28 : x - Step 2: Convert to fraction form
327,942.70/490,802.08 = 201,662.28/x - Step 3: Cross multiply
327,942.70x = 490,802.08 × 201,662.28 - Step 4: Simplify right side
327,942.70x = 98,976,266,481.54 - Step 5: Solve for x
x = 98,976,266,481.54/327,942.70 - Step 6: Final answer
x = 301,809.63
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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.