Finding the Fourth Proportional to 327,136.02, 451,790.41 and 225,425.94
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Solution
The fourth proportional to 327,136.02, 451,790.41 and 225,425.94 is: 311,323.95
Step by Step Solution
- Step 1: Write the proportion equation
327,136.02 : 451,790.41 = 225,425.94 : x - Step 2: Convert to fraction form
327,136.02/451,790.41 = 225,425.94/x - Step 3: Cross multiply
327,136.02x = 451,790.41 × 225,425.94 - Step 4: Simplify right side
327,136.02x = 101,845,277,857.24 - Step 5: Solve for x
x = 101,845,277,857.24/327,136.02 - Step 6: Final answer
x = 311,323.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.