Finding the Fourth Proportional to 263,267.20, 394,900.80 and 201,059.20
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Solution
The fourth proportional to 263,267.20, 394,900.80 and 201,059.20 is: 301,588.80
Step by Step Solution
- Step 1: Write the proportion equation
263,267.20 : 394,900.80 = 201,059.20 : x - Step 2: Convert to fraction form
263,267.20/394,900.80 = 201,059.20/x - Step 3: Cross multiply
263,267.20x = 394,900.80 × 201,059.20 - Step 4: Simplify right side
263,267.20x = 79,398,438,927.36 - Step 5: Solve for x
x = 79,398,438,927.36/263,267.20 - Step 6: Final answer
x = 301,588.80
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1.5x scale
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.