Finding the Fourth Proportional to 203,571.52, 280,861.46 and 122,968.42
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Solution
The fourth proportional to 203,571.52, 280,861.46 and 122,968.42 is: 169,655.80
Step by Step Solution
- Step 1: Write the proportion equation
203,571.52 : 280,861.46 = 122,968.42 : x - Step 2: Convert to fraction form
203,571.52/280,861.46 = 122,968.42/x - Step 3: Cross multiply
203,571.52x = 280,861.46 × 122,968.42 - Step 4: Simplify right side
203,571.52x = 34,537,089,975.09 - Step 5: Solve for x
x = 34,537,089,975.09/203,571.52 - Step 6: Final answer
x = 169,655.80
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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.