Finding the Fourth Proportional to 381,975.60, 573,049.80 and 224,122.80
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Solution
The fourth proportional to 381,975.60, 573,049.80 and 224,122.80 is: 336,234.89
Step by Step Solution
- Step 1: Write the proportion equation
381,975.60 : 573,049.80 = 224,122.80 : x - Step 2: Convert to fraction form
381,975.60/573,049.80 = 224,122.80/x - Step 3: Cross multiply
381,975.60x = 573,049.80 × 224,122.80 - Step 4: Simplify right side
381,975.60x = 128,433,525,715.44 - Step 5: Solve for x
x = 128,433,525,715.44/381,975.60 - Step 6: Final answer
x = 336,234.89
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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.