Finding the Fourth Proportional to 201,230.20, 301,827.76 and 68,107.48
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Solution
The fourth proportional to 201,230.20, 301,827.76 and 68,107.48 is: 102,155.28
Step by Step Solution
- Step 1: Write the proportion equation
201,230.20 : 301,827.76 = 68,107.48 : x - Step 2: Convert to fraction form
201,230.20/301,827.76 = 68,107.48/x - Step 3: Cross multiply
201,230.20x = 301,827.76 × 68,107.48 - Step 4: Simplify right side
201,230.20x = 20,556,728,127.64 - Step 5: Solve for x
x = 20,556,728,127.64/201,230.20 - Step 6: Final answer
x = 102,155.28
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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.