Finding the Fourth Proportional to 201,771.10, 302,569.09 and 68,615.60
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Solution
The fourth proportional to 201,771.10, 302,569.09 and 68,615.60 is: 102,893.62
Step by Step Solution
- Step 1: Write the proportion equation
201,771.10 : 302,569.09 = 68,615.60 : x - Step 2: Convert to fraction form
201,771.10/302,569.09 = 68,615.60/x - Step 3: Cross multiply
201,771.10x = 302,569.09 × 68,615.60 - Step 4: Simplify right side
201,771.10x = 20,760,959,651.80 - Step 5: Solve for x
x = 20,760,959,651.80/201,771.10 - Step 6: Final answer
x = 102,893.62
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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.