Finding the Fourth Proportional to 355,562.30, 490,676.43 and 202,593.80
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Solution
The fourth proportional to 355,562.30, 490,676.43 and 202,593.80 is: 279,579.70
Step by Step Solution
- Step 1: Write the proportion equation
355,562.30 : 490,676.43 = 202,593.80 : x - Step 2: Convert to fraction form
355,562.30/490,676.43 = 202,593.80/x - Step 3: Cross multiply
355,562.30x = 490,676.43 × 202,593.80 - Step 4: Simplify right side
355,562.30x = 99,408,002,524.13 - Step 5: Solve for x
x = 99,408,002,524.13/355,562.30 - Step 6: Final answer
x = 279,579.70
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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.