Finding the Fourth Proportional to 289,163.58, 433,836.11 and 173,890.75
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Solution
The fourth proportional to 289,163.58, 433,836.11 and 173,890.75 is: 260,890.69
Step by Step Solution
- Step 1: Write the proportion equation
289,163.58 : 433,836.11 = 173,890.75 : x - Step 2: Convert to fraction form
289,163.58/433,836.11 = 173,890.75/x - Step 3: Cross multiply
289,163.58x = 433,836.11 × 173,890.75 - Step 4: Simplify right side
289,163.58x = 75,440,083,506.35 - Step 5: Solve for x
x = 75,440,083,506.35/289,163.58 - Step 6: Final answer
x = 260,890.69
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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.