Finding the Fourth Proportional to 263,853.20, 395,088.60 and 193,350.80
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Solution
The fourth proportional to 263,853.20, 395,088.60 and 193,350.80 is: 289,519.69
Step by Step Solution
- Step 1: Write the proportion equation
263,853.20 : 395,088.60 = 193,350.80 : x - Step 2: Convert to fraction form
263,853.20/395,088.60 = 193,350.80/x - Step 3: Cross multiply
263,853.20x = 395,088.60 × 193,350.80 - Step 4: Simplify right side
263,853.20x = 76,390,696,880.88 - Step 5: Solve for x
x = 76,390,696,880.88/263,853.20 - Step 6: Final answer
x = 289,519.69
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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.