Finding the Fourth Proportional to 317,324.20, 475,972.80 and 106,961.80
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Solution
The fourth proportional to 317,324.20, 475,972.80 and 106,961.80 is: 160,438.15
Step by Step Solution
- Step 1: Write the proportion equation
317,324.20 : 475,972.80 = 106,961.80 : x - Step 2: Convert to fraction form
317,324.20/475,972.80 = 106,961.80/x - Step 3: Cross multiply
317,324.20x = 475,972.80 × 106,961.80 - Step 4: Simplify right side
317,324.20x = 50,910,907,439.04 - Step 5: Solve for x
x = 50,910,907,439.04/317,324.20 - Step 6: Final answer
x = 160,438.15
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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.