Finding the Fourth Proportional to 326,147.55, 450,132.84 and 198,896.96
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Solution
The fourth proportional to 326,147.55, 450,132.84 and 198,896.96 is: 274,507.82
Step by Step Solution
- Step 1: Write the proportion equation
326,147.55 : 450,132.84 = 198,896.96 : x - Step 2: Convert to fraction form
326,147.55/450,132.84 = 198,896.96/x - Step 3: Cross multiply
326,147.55x = 450,132.84 × 198,896.96 - Step 4: Simplify right side
326,147.55x = 89,530,052,772.10 - Step 5: Solve for x
x = 89,530,052,772.10/326,147.55 - Step 6: Final answer
x = 274,507.82
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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.