Finding the Fourth Proportional to 253,819.49, 350,226.50 and 144,874.09
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Solution
The fourth proportional to 253,819.49, 350,226.50 and 144,874.09 is: 199,900.90
Step by Step Solution
- Step 1: Write the proportion equation
253,819.49 : 350,226.50 = 144,874.09 : x - Step 2: Convert to fraction form
253,819.49/350,226.50 = 144,874.09/x - Step 3: Cross multiply
253,819.49x = 350,226.50 × 144,874.09 - Step 4: Simplify right side
253,819.49x = 50,738,743,730.25 - Step 5: Solve for x
x = 50,738,743,730.25/253,819.49 - Step 6: Final answer
x = 199,900.90
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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.