Finding the Fourth Proportional to 134,405.73, 201,467.79 and 50,131.98
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Solution
The fourth proportional to 134,405.73, 201,467.79 and 50,131.98 is: 75,145.45
Step by Step Solution
- Step 1: Write the proportion equation
134,405.73 : 201,467.79 = 50,131.98 : x - Step 2: Convert to fraction form
134,405.73/201,467.79 = 50,131.98/x - Step 3: Cross multiply
134,405.73x = 201,467.79 × 50,131.98 - Step 4: Simplify right side
134,405.73x = 10,099,979,218.92 - Step 5: Solve for x
x = 10,099,979,218.92/134,405.73 - Step 6: Final answer
x = 75,145.45
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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.