Finding the Fourth Proportional to 100,175.36, 150,239.43 and 29,079.23
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Solution
The fourth proportional to 100,175.36, 150,239.43 and 29,079.23 is: 43,611.99
Step by Step Solution
- Step 1: Write the proportion equation
100,175.36 : 150,239.43 = 29,079.23 : x - Step 2: Convert to fraction form
100,175.36/150,239.43 = 29,079.23/x - Step 3: Cross multiply
100,175.36x = 150,239.43 × 29,079.23 - Step 4: Simplify right side
100,175.36x = 4,368,846,188.84 - Step 5: Solve for x
x = 4,368,846,188.84/100,175.36 - Step 6: Final answer
x = 43,611.99
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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.