Finding the Fourth Proportional to 355,579.11, 490,604.60 and 202,614.03
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Solution
The fourth proportional to 355,579.11, 490,604.60 and 202,614.03 is: 279,553.47
Step by Step Solution
- Step 1: Write the proportion equation
355,579.11 : 490,604.60 = 202,614.03 : x - Step 2: Convert to fraction form
355,579.11/490,604.60 = 202,614.03/x - Step 3: Cross multiply
355,579.11x = 490,604.60 × 202,614.03 - Step 4: Simplify right side
355,579.11x = 99,403,375,142.54 - Step 5: Solve for x
x = 99,403,375,142.54/355,579.11 - Step 6: Final answer
x = 279,553.47
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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.