Finding the Fourth Proportional to 203,739.62, 281,146.60 and 113,088.46
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Solution
The fourth proportional to 203,739.62, 281,146.60 and 113,088.46 is: 156,054.26
Step by Step Solution
- Step 1: Write the proportion equation
203,739.62 : 281,146.60 = 113,088.46 : x - Step 2: Convert to fraction form
203,739.62/281,146.60 = 113,088.46/x - Step 3: Cross multiply
203,739.62x = 281,146.60 × 113,088.46 - Step 4: Simplify right side
203,739.62x = 31,794,436,028.24 - Step 5: Solve for x
x = 31,794,436,028.24/203,739.62 - Step 6: Final answer
x = 156,054.26
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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.