Finding the Fourth Proportional to 303,912.70, 455,212.95 and 264,546.70
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Solution
The fourth proportional to 303,912.70, 455,212.95 and 264,546.70 is: 396,248.94
Step by Step Solution
- Step 1: Write the proportion equation
303,912.70 : 455,212.95 = 264,546.70 : x - Step 2: Convert to fraction form
303,912.70/455,212.95 = 264,546.70/x - Step 3: Cross multiply
303,912.70x = 455,212.95 × 264,546.70 - Step 4: Simplify right side
303,912.70x = 120,425,083,719.77 - Step 5: Solve for x
x = 120,425,083,719.77/303,912.70 - Step 6: Final answer
x = 396,248.94
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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.