Finding the Fourth Proportional to 308,821.88, 463,251.18 and 119,283.68
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Solution
The fourth proportional to 308,821.88, 463,251.18 and 119,283.68 is: 178,932.61
Step by Step Solution
- Step 1: Write the proportion equation
308,821.88 : 463,251.18 = 119,283.68 : x - Step 2: Convert to fraction form
308,821.88/463,251.18 = 119,283.68/x - Step 3: Cross multiply
308,821.88x = 463,251.18 × 119,283.68 - Step 4: Simplify right side
308,821.88x = 55,258,305,514.74 - Step 5: Solve for x
x = 55,258,305,514.74/308,821.88 - Step 6: Final answer
x = 178,932.61
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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.