Finding the Fourth Proportional to 151,941.80, 227,912.70 and 143,193.80
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Solution
The fourth proportional to 151,941.80, 227,912.70 and 143,193.80 is: 214,790.70
Step by Step Solution
- Step 1: Write the proportion equation
151,941.80 : 227,912.70 = 143,193.80 : x - Step 2: Convert to fraction form
151,941.80/227,912.70 = 143,193.80/x - Step 3: Cross multiply
151,941.80x = 227,912.70 × 143,193.80 - Step 4: Simplify right side
151,941.80x = 32,635,685,581.26 - Step 5: Solve for x
x = 32,635,685,581.26/151,941.80 - Step 6: Final answer
x = 214,790.70
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1.5x scale
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.