Finding the Fourth Proportional to 321,704.99, 482,243.64 and 153,180.05
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Solution
The fourth proportional to 321,704.99, 482,243.64 and 153,180.05 is: 229,620.64
Step by Step Solution
- Step 1: Write the proportion equation
321,704.99 : 482,243.64 = 153,180.05 : x - Step 2: Convert to fraction form
321,704.99/482,243.64 = 153,180.05/x - Step 3: Cross multiply
321,704.99x = 482,243.64 × 153,180.05 - Step 4: Simplify right side
321,704.99x = 73,870,104,887.38 - Step 5: Solve for x
x = 73,870,104,887.38/321,704.99 - Step 6: Final answer
x = 229,620.64
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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.