Finding the Fourth Proportional to 262,380.22, 393,861.69 and 135,986.62
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Solution
The fourth proportional to 262,380.22, 393,861.69 and 135,986.62 is: 204,130.94
Step by Step Solution
- Step 1: Write the proportion equation
262,380.22 : 393,861.69 = 135,986.62 : x - Step 2: Convert to fraction form
262,380.22/393,861.69 = 135,986.62/x - Step 3: Cross multiply
262,380.22x = 393,861.69 × 135,986.62 - Step 4: Simplify right side
262,380.22x = 53,559,919,970.59 - Step 5: Solve for x
x = 53,559,919,970.59/262,380.22 - Step 6: Final answer
x = 204,130.94
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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.