Finding the Fourth Proportional to 262,851.20, 394,276.80 and 113,163.20
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Solution
The fourth proportional to 262,851.20, 394,276.80 and 113,163.20 is: 169,744.80
Step by Step Solution
- Step 1: Write the proportion equation
262,851.20 : 394,276.80 = 113,163.20 : x - Step 2: Convert to fraction form
262,851.20/394,276.80 = 113,163.20/x - Step 3: Cross multiply
262,851.20x = 394,276.80 × 113,163.20 - Step 4: Simplify right side
262,851.20x = 44,617,624,373.76 - Step 5: Solve for x
x = 44,617,624,373.76/262,851.20 - Step 6: Final answer
x = 169,744.80
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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.