Finding the Fourth Proportional to 149,698.26, 206,583.48 and 82,630.26
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Solution
The fourth proportional to 149,698.26, 206,583.48 and 82,630.26 is: 114,029.69
Step by Step Solution
- Step 1: Write the proportion equation
149,698.26 : 206,583.48 = 82,630.26 : x - Step 2: Convert to fraction form
149,698.26/206,583.48 = 82,630.26/x - Step 3: Cross multiply
149,698.26x = 206,583.48 × 82,630.26 - Step 4: Simplify right side
149,698.26x = 17,070,046,664.10 - Step 5: Solve for x
x = 17,070,046,664.10/149,698.26 - Step 6: Final answer
x = 114,029.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.