Finding the Fourth Proportional to 201,235.20, 301,852.80 and 131,251.20
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Solution
The fourth proportional to 201,235.20, 301,852.80 and 131,251.20 is: 196,876.80
Step by Step Solution
- Step 1: Write the proportion equation
201,235.20 : 301,852.80 = 131,251.20 : x - Step 2: Convert to fraction form
201,235.20/301,852.80 = 131,251.20/x - Step 3: Cross multiply
201,235.20x = 301,852.80 × 131,251.20 - Step 4: Simplify right side
201,235.20x = 39,618,542,223.36 - Step 5: Solve for x
x = 39,618,542,223.36/201,235.20 - Step 6: Final answer
x = 196,876.80
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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.