Finding the Fourth Proportional to 331,515.40, 496,106.70 and 303,521.80
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Solution
The fourth proportional to 331,515.40, 496,106.70 and 303,521.80 is: 454,214.79
Step by Step Solution
- Step 1: Write the proportion equation
331,515.40 : 496,106.70 = 303,521.80 : x - Step 2: Convert to fraction form
331,515.40/496,106.70 = 303,521.80/x - Step 3: Cross multiply
331,515.40x = 496,106.70 × 303,521.80 - Step 4: Simplify right side
331,515.40x = 150,579,198,576.06 - Step 5: Solve for x
x = 150,579,198,576.06/331,515.40 - Step 6: Final answer
x = 454,214.79
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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.