Finding the Fourth Proportional to 295,996.63, 408,467.05 and 161,857.75
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Solution
The fourth proportional to 295,996.63, 408,467.05 and 161,857.75 is: 223,359.16
Step by Step Solution
- Step 1: Write the proportion equation
295,996.63 : 408,467.05 = 161,857.75 : x - Step 2: Convert to fraction form
295,996.63/408,467.05 = 161,857.75/x - Step 3: Cross multiply
295,996.63x = 408,467.05 × 161,857.75 - Step 4: Simplify right side
295,996.63x = 66,113,557,662.14 - Step 5: Solve for x
x = 66,113,557,662.14/295,996.63 - Step 6: Final answer
x = 223,359.16
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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.