Finding the Fourth Proportional to 347,628.14, 479,733.64 and 226,846.70
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Solution
The fourth proportional to 347,628.14, 479,733.64 and 226,846.70 is: 313,052.89
Step by Step Solution
- Step 1: Write the proportion equation
347,628.14 : 479,733.64 = 226,846.70 : x - Step 2: Convert to fraction form
347,628.14/479,733.64 = 226,846.70/x - Step 3: Cross multiply
347,628.14x = 479,733.64 × 226,846.70 - Step 4: Simplify right side
347,628.14x = 108,825,993,112.99 - Step 5: Solve for x
x = 108,825,993,112.99/347,628.14 - Step 6: Final answer
x = 313,052.89
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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.