Finding the Fourth Proportional to 355,579.16, 490,604.67 and 202,614.08
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Solution
The fourth proportional to 355,579.16, 490,604.67 and 202,614.08 is: 279,553.54
Step by Step Solution
- Step 1: Write the proportion equation
355,579.16 : 490,604.67 = 202,614.08 : x - Step 2: Convert to fraction form
355,579.16/490,604.67 = 202,614.08/x - Step 3: Cross multiply
355,579.16x = 490,604.67 × 202,614.08 - Step 4: Simplify right side
355,579.16x = 99,403,411,402.73 - Step 5: Solve for x
x = 99,403,411,402.73/355,579.16 - Step 6: Final answer
x = 279,553.54
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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.