Finding the Fourth Proportional to 396,437.76, 594,207.36 and 196,896.96
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Solution
The fourth proportional to 396,437.76, 594,207.36 and 196,896.96 is: 295,122.30
Step by Step Solution
- Step 1: Write the proportion equation
396,437.76 : 594,207.36 = 196,896.96 : x - Step 2: Convert to fraction form
396,437.76/594,207.36 = 196,896.96/x - Step 3: Cross multiply
396,437.76x = 594,207.36 × 196,896.96 - Step 4: Simplify right side
396,437.76x = 116,997,622,793.63 - Step 5: Solve for x
x = 116,997,622,793.63/396,437.76 - Step 6: Final answer
x = 295,122.30
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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.