Finding the Fourth Proportional to 262,244.70, 393,367.05 and 72,704.70
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Solution
The fourth proportional to 262,244.70, 393,367.05 and 72,704.70 is: 109,057.05
Step by Step Solution
- Step 1: Write the proportion equation
262,244.70 : 393,367.05 = 72,704.70 : x - Step 2: Convert to fraction form
262,244.70/393,367.05 = 72,704.70/x - Step 3: Cross multiply
262,244.70x = 393,367.05 × 72,704.70 - Step 4: Simplify right side
262,244.70x = 28,599,633,360.14 - Step 5: Solve for x
x = 28,599,633,360.14/262,244.70 - Step 6: Final answer
x = 109,057.05
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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.