Finding the Fourth Proportional to 193,891.20, 290,843.28 and 53,638.08
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Solution
The fourth proportional to 193,891.20, 290,843.28 and 53,638.08 is: 80,458.91
Step by Step Solution
- Step 1: Write the proportion equation
193,891.20 : 290,843.28 = 53,638.08 : x - Step 2: Convert to fraction form
193,891.20/290,843.28 = 53,638.08/x - Step 3: Cross multiply
193,891.20x = 290,843.28 × 53,638.08 - Step 4: Simplify right side
193,891.20x = 15,600,275,120.10 - Step 5: Solve for x
x = 15,600,275,120.10/193,891.20 - Step 6: Final answer
x = 80,458.91
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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.