Finding the Fourth Proportional to 263,485.44, 395,107.20 and 113,653.92
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Solution
The fourth proportional to 263,485.44, 395,107.20 and 113,653.92 is: 170,428.70
Step by Step Solution
- Step 1: Write the proportion equation
263,485.44 : 395,107.20 = 113,653.92 : x - Step 2: Convert to fraction form
263,485.44/395,107.20 = 113,653.92/x - Step 3: Cross multiply
263,485.44x = 395,107.20 × 113,653.92 - Step 4: Simplify right side
263,485.44x = 44,905,482,100.22 - Step 5: Solve for x
x = 44,905,482,100.22/263,485.44 - Step 6: Final answer
x = 170,428.70
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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.