Finding the Fourth Proportional to 336,400.44, 504,514.68 and 99,687.84
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Solution
The fourth proportional to 336,400.44, 504,514.68 and 99,687.84 is: 149,506.28
Step by Step Solution
- Step 1: Write the proportion equation
336,400.44 : 504,514.68 = 99,687.84 : x - Step 2: Convert to fraction form
336,400.44/504,514.68 = 99,687.84/x - Step 3: Cross multiply
336,400.44x = 504,514.68 × 99,687.84 - Step 4: Simplify right side
336,400.44x = 50,293,978,697.49 - Step 5: Solve for x
x = 50,293,978,697.49/336,400.44 - Step 6: Final answer
x = 149,506.28
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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.