Finding the Fourth Proportional to 204,450.80, 306,676.20 and 141,465.20
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Solution
The fourth proportional to 204,450.80, 306,676.20 and 141,465.20 is: 212,197.80
Step by Step Solution
- Step 1: Write the proportion equation
204,450.80 : 306,676.20 = 141,465.20 : x - Step 2: Convert to fraction form
204,450.80/306,676.20 = 141,465.20/x - Step 3: Cross multiply
204,450.80x = 306,676.20 × 141,465.20 - Step 4: Simplify right side
204,450.80x = 43,384,009,968.24 - Step 5: Solve for x
x = 43,384,009,968.24/204,450.80 - Step 6: Final answer
x = 212,197.80
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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.