Finding the Fourth Proportional to 699,049.63, 1,048,243.15 and 243,481.98
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Solution
The fourth proportional to 699,049.63, 1,048,243.15 and 243,481.98 is: 365,107.58
Step by Step Solution
- Step 1: Write the proportion equation
699,049.63 : 1,048,243.15 = 243,481.98 : x - Step 2: Convert to fraction form
699,049.63/1,048,243.15 = 243,481.98/x - Step 3: Cross multiply
699,049.63x = 1,048,243.15 × 243,481.98 - Step 4: Simplify right side
699,049.63x = 255,228,321,918.70 - Step 5: Solve for x
x = 255,228,321,918.70/699,049.63 - Step 6: Final answer
x = 365,107.58
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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.