Finding the Fourth Proportional to 263,279.62, 394,602.14 and 120,928.46
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Solution
The fourth proportional to 263,279.62, 394,602.14 and 120,928.46 is: 181,246.95
Step by Step Solution
- Step 1: Write the proportion equation
263,279.62 : 394,602.14 = 120,928.46 : x - Step 2: Convert to fraction form
263,279.62/394,602.14 = 120,928.46/x - Step 3: Cross multiply
263,279.62x = 394,602.14 × 120,928.46 - Step 4: Simplify right side
263,279.62x = 47,718,629,102.90 - Step 5: Solve for x
x = 47,718,629,102.90/263,279.62 - Step 6: Final answer
x = 181,246.95
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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.