Finding the Fourth Proportional to 347,423.26, 479,403.74 and 194,469.98
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Solution
The fourth proportional to 347,423.26, 479,403.74 and 194,469.98 is: 268,345.98
Step by Step Solution
- Step 1: Write the proportion equation
347,423.26 : 479,403.74 = 194,469.98 : x - Step 2: Convert to fraction form
347,423.26/479,403.74 = 194,469.98/x - Step 3: Cross multiply
347,423.26x = 479,403.74 × 194,469.98 - Step 4: Simplify right side
347,423.26x = 93,229,635,729.73 - Step 5: Solve for x
x = 93,229,635,729.73/347,423.26 - Step 6: Final answer
x = 268,345.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.