Finding the Fourth Proportional to 201,636.20, 302,324.70 and 83,354.60
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Solution
The fourth proportional to 201,636.20, 302,324.70 and 83,354.60 is: 124,978.32
Step by Step Solution
- Step 1: Write the proportion equation
201,636.20 : 302,324.70 = 83,354.60 : x - Step 2: Convert to fraction form
201,636.20/302,324.70 = 83,354.60/x - Step 3: Cross multiply
201,636.20x = 302,324.70 × 83,354.60 - Step 4: Simplify right side
201,636.20x = 25,200,154,438.62 - Step 5: Solve for x
x = 25,200,154,438.62/201,636.20 - Step 6: Final answer
x = 124,978.32
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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.