Finding the Fourth Proportional to 327,929.53, 490,783.29 and 201,649.78
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Solution
The fourth proportional to 327,929.53, 490,783.29 and 201,649.78 is: 301,791.49
Step by Step Solution
- Step 1: Write the proportion equation
327,929.53 : 490,783.29 = 201,649.78 : x - Step 2: Convert to fraction form
327,929.53/490,783.29 = 201,649.78/x - Step 3: Cross multiply
327,929.53x = 490,783.29 × 201,649.78 - Step 4: Simplify right side
327,929.53x = 98,966,342,456.18 - Step 5: Solve for x
x = 98,966,342,456.18/327,929.53 - Step 6: Final answer
x = 301,791.49
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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.