Finding the Fourth Proportional to 281,107.10, 421,855.05 and 202,277.90
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Solution
The fourth proportional to 281,107.10, 421,855.05 and 202,277.90 is: 303,556.74
Step by Step Solution
- Step 1: Write the proportion equation
281,107.10 : 421,855.05 = 202,277.90 : x - Step 2: Convert to fraction form
281,107.10/421,855.05 = 202,277.90/x - Step 3: Cross multiply
281,107.10x = 421,855.05 × 202,277.90 - Step 4: Simplify right side
281,107.10x = 85,331,953,618.40 - Step 5: Solve for x
x = 85,331,953,618.40/281,107.10 - Step 6: Final answer
x = 303,556.74
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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.