Finding the Fourth Proportional to 204,135.40, 306,212.70 and 63,898.60
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Solution
The fourth proportional to 204,135.40, 306,212.70 and 63,898.60 is: 95,850.90
Step by Step Solution
- Step 1: Write the proportion equation
204,135.40 : 306,212.70 = 63,898.60 : x - Step 2: Convert to fraction form
204,135.40/306,212.70 = 63,898.60/x - Step 3: Cross multiply
204,135.40x = 306,212.70 × 63,898.60 - Step 4: Simplify right side
204,135.40x = 19,566,562,832.22 - Step 5: Solve for x
x = 19,566,562,832.22/204,135.40 - Step 6: Final answer
x = 95,850.90
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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.