Finding the Fourth Proportional to 413,467.26, 620,201.02 and 132,984.50
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Solution
The fourth proportional to 413,467.26, 620,201.02 and 132,984.50 is: 199,476.79
Step by Step Solution
- Step 1: Write the proportion equation
413,467.26 : 620,201.02 = 132,984.50 : x - Step 2: Convert to fraction form
413,467.26/620,201.02 = 132,984.50/x - Step 3: Cross multiply
413,467.26x = 620,201.02 × 132,984.50 - Step 4: Simplify right side
413,467.26x = 82,477,122,544.19 - Step 5: Solve for x
x = 82,477,122,544.19/413,467.26 - Step 6: Final answer
x = 199,476.79
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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.