Finding the Fourth Proportional to 269,285.80, 403,928.70 and 263,453.80
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Solution
The fourth proportional to 269,285.80, 403,928.70 and 263,453.80 is: 395,180.70
Step by Step Solution
- Step 1: Write the proportion equation
269,285.80 : 403,928.70 = 263,453.80 : x - Step 2: Convert to fraction form
269,285.80/403,928.70 = 263,453.80/x - Step 3: Cross multiply
269,285.80x = 403,928.70 × 263,453.80 - Step 4: Simplify right side
269,285.80x = 106,416,550,944.06 - Step 5: Solve for x
x = 106,416,550,944.06/269,285.80 - Step 6: Final answer
x = 395,180.70
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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.