Finding the Fourth Proportional to 269,748.54, 404,622.68 and 80,208.09
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Solution
The fourth proportional to 269,748.54, 404,622.68 and 80,208.09 is: 120,312.09
Step by Step Solution
- Step 1: Write the proportion equation
269,748.54 : 404,622.68 = 80,208.09 : x - Step 2: Convert to fraction form
269,748.54/404,622.68 = 80,208.09/x - Step 3: Cross multiply
269,748.54x = 404,622.68 × 80,208.09 - Step 4: Simplify right side
269,748.54x = 32,454,011,932.44 - Step 5: Solve for x
x = 32,454,011,932.44/269,748.54 - Step 6: Final answer
x = 120,312.09
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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.