Finding the Fourth Proportional to 324,115.80, 485,136.90 and 299,232.60
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Solution
The fourth proportional to 324,115.80, 485,136.90 and 299,232.60 is: 447,891.70
Step by Step Solution
- Step 1: Write the proportion equation
324,115.80 : 485,136.90 = 299,232.60 : x - Step 2: Convert to fraction form
324,115.80/485,136.90 = 299,232.60/x - Step 3: Cross multiply
324,115.80x = 485,136.90 × 299,232.60 - Step 4: Simplify right side
324,115.80x = 145,168,775,942.94 - Step 5: Solve for x
x = 145,168,775,942.94/324,115.80 - Step 6: Final answer
x = 447,891.70
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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.