Finding the Fourth Proportional to 355,560.80, 490,674.36 and 202,592.30
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Solution
The fourth proportional to 355,560.80, 490,674.36 and 202,592.30 is: 279,577.63
Step by Step Solution
- Step 1: Write the proportion equation
355,560.80 : 490,674.36 = 202,592.30 : x - Step 2: Convert to fraction form
355,560.80/490,674.36 = 202,592.30/x - Step 3: Cross multiply
355,560.80x = 490,674.36 × 202,592.30 - Step 4: Simplify right side
355,560.80x = 99,406,847,143.43 - Step 5: Solve for x
x = 99,406,847,143.43/355,560.80 - Step 6: Final answer
x = 279,577.63
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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.