Finding the Fourth Proportional to 203,236.23, 303,618.11 and 131,575.06
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Solution
The fourth proportional to 203,236.23, 303,618.11 and 131,575.06 is: 196,562.25
Step by Step Solution
- Step 1: Write the proportion equation
203,236.23 : 303,618.11 = 131,575.06 : x - Step 2: Convert to fraction form
203,236.23/303,618.11 = 131,575.06/x - Step 3: Cross multiply
203,236.23x = 303,618.11 × 131,575.06 - Step 4: Simplify right side
203,236.23x = 39,948,570,610.23 - Step 5: Solve for x
x = 39,948,570,610.23/203,236.23 - Step 6: Final answer
x = 196,562.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.