Finding the Fourth Proportional to 304,107.26, 419,657.43 and 166,289.40
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Solution
The fourth proportional to 304,107.26, 419,657.43 and 166,289.40 is: 229,473.58
Step by Step Solution
- Step 1: Write the proportion equation
304,107.26 : 419,657.43 = 166,289.40 : x - Step 2: Convert to fraction form
304,107.26/419,657.43 = 166,289.40/x - Step 3: Cross multiply
304,107.26x = 419,657.43 × 166,289.40 - Step 4: Simplify right side
304,107.26x = 69,784,582,240.24 - Step 5: Solve for x
x = 69,784,582,240.24/304,107.26 - Step 6: Final answer
x = 229,473.58
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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.