Finding the Fourth Proportional to 347,197.67, 479,121.78 and 194,238.54
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Solution
The fourth proportional to 347,197.67, 479,121.78 and 194,238.54 is: 268,043.02
Step by Step Solution
- Step 1: Write the proportion equation
347,197.67 : 479,121.78 = 194,238.54 : x - Step 2: Convert to fraction form
347,197.67/479,121.78 = 194,238.54/x - Step 3: Cross multiply
347,197.67x = 479,121.78 × 194,238.54 - Step 4: Simplify right side
347,197.67x = 93,063,912,860.40 - Step 5: Solve for x
x = 93,063,912,860.40/347,197.67 - Step 6: Final answer
x = 268,043.02
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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.