Finding the Fourth Proportional to 204,090.20, 306,135.30 and 202,121.90
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Solution
The fourth proportional to 204,090.20, 306,135.30 and 202,121.90 is: 303,182.85
Step by Step Solution
- Step 1: Write the proportion equation
204,090.20 : 306,135.30 = 202,121.90 : x - Step 2: Convert to fraction form
204,090.20/306,135.30 = 202,121.90/x - Step 3: Cross multiply
204,090.20x = 306,135.30 × 202,121.90 - Step 4: Simplify right side
204,090.20x = 61,876,648,493.07 - Step 5: Solve for x
x = 61,876,648,493.07/204,090.20 - Step 6: Final answer
x = 303,182.85
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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.