Finding the Fourth Proportional to 303,392.56, 418,504.96 and 194,458.09
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Solution
The fourth proportional to 303,392.56, 418,504.96 and 194,458.09 is: 268,238.86
Step by Step Solution
- Step 1: Write the proportion equation
303,392.56 : 418,504.96 = 194,458.09 : x - Step 2: Convert to fraction form
303,392.56/418,504.96 = 194,458.09/x - Step 3: Cross multiply
303,392.56x = 418,504.96 × 194,458.09 - Step 4: Simplify right side
303,392.56x = 81,381,675,177.13 - Step 5: Solve for x
x = 81,381,675,177.13/303,392.56 - Step 6: Final answer
x = 268,238.86
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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.