Finding the Fourth Proportional to 331,523.40, 496,118.70 and 303,529.80
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Solution
The fourth proportional to 331,523.40, 496,118.70 and 303,529.80 is: 454,226.79
Step by Step Solution
- Step 1: Write the proportion equation
331,523.40 : 496,118.70 = 303,529.80 : x - Step 2: Convert to fraction form
331,523.40/496,118.70 = 303,529.80/x - Step 3: Cross multiply
331,523.40x = 496,118.70 × 303,529.80 - Step 4: Simplify right side
331,523.40x = 150,586,809,787.26 - Step 5: Solve for x
x = 150,586,809,787.26/331,523.40 - Step 6: Final answer
x = 454,226.79
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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.