Finding the Fourth Proportional to 203,939.80, 305,909.70 and 173,759.20
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Solution
The fourth proportional to 203,939.80, 305,909.70 and 173,759.20 is: 260,638.80
Step by Step Solution
- Step 1: Write the proportion equation
203,939.80 : 305,909.70 = 173,759.20 : x - Step 2: Convert to fraction form
203,939.80/305,909.70 = 173,759.20/x - Step 3: Cross multiply
203,939.80x = 305,909.70 × 173,759.20 - Step 4: Simplify right side
203,939.80x = 53,154,624,744.24 - Step 5: Solve for x
x = 53,154,624,744.24/203,939.80 - Step 6: Final answer
x = 260,638.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.