Finding the Fourth Proportional to 262,668.70, 394,037.10 and 120,479.68
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Solution
The fourth proportional to 262,668.70, 394,037.10 and 120,479.68 is: 180,735.14
Step by Step Solution
- Step 1: Write the proportion equation
262,668.70 : 394,037.10 = 120,479.68 : x - Step 2: Convert to fraction form
262,668.70/394,037.10 = 120,479.68/x - Step 3: Cross multiply
262,668.70x = 394,037.10 × 120,479.68 - Step 4: Simplify right side
262,668.70x = 47,473,463,716.13 - Step 5: Solve for x
x = 47,473,463,716.13/262,668.70 - Step 6: Final answer
x = 180,735.14
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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.