Finding the Fourth Proportional to 355,129.75, 490,093.68 and 204,226.75
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Solution
The fourth proportional to 355,129.75, 490,093.68 and 204,226.75 is: 281,841.33
Step by Step Solution
- Step 1: Write the proportion equation
355,129.75 : 490,093.68 = 204,226.75 : x - Step 2: Convert to fraction form
355,129.75/490,093.68 = 204,226.75/x - Step 3: Cross multiply
355,129.75x = 490,093.68 × 204,226.75 - Step 4: Simplify right side
355,129.75x = 100,090,239,461.94 - Step 5: Solve for x
x = 100,090,239,461.94/355,129.75 - Step 6: Final answer
x = 281,841.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.