Finding the Fourth Proportional to 239,621.30, 330,673.26 and 132,201.62
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Solution
The fourth proportional to 239,621.30, 330,673.26 and 132,201.62 is: 182,435.95
Step by Step Solution
- Step 1: Write the proportion equation
239,621.30 : 330,673.26 = 132,201.62 : x - Step 2: Convert to fraction form
239,621.30/330,673.26 = 132,201.62/x - Step 3: Cross multiply
239,621.30x = 330,673.26 × 132,201.62 - Step 4: Simplify right side
239,621.30x = 43,715,540,662.68 - Step 5: Solve for x
x = 43,715,540,662.68/239,621.30 - Step 6: Final answer
x = 182,435.95
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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.