Finding the Fourth Proportional to 303,912.96, 419,307.84 and 176,563.68
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Solution
The fourth proportional to 303,912.96, 419,307.84 and 176,563.68 is: 243,604.40
Step by Step Solution
- Step 1: Write the proportion equation
303,912.96 : 419,307.84 = 176,563.68 : x - Step 2: Convert to fraction form
303,912.96/419,307.84 = 176,563.68/x - Step 3: Cross multiply
303,912.96x = 419,307.84 × 176,563.68 - Step 4: Simplify right side
303,912.96x = 74,034,535,283.25 - Step 5: Solve for x
x = 74,034,535,283.25/303,912.96 - Step 6: Final answer
x = 243,604.40
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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.