Finding the Fourth Proportional to 223,203.36, 307,906.38 and 142,546.08
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Solution
The fourth proportional to 223,203.36, 307,906.38 and 142,546.08 is: 196,640.62
Step by Step Solution
- Step 1: Write the proportion equation
223,203.36 : 307,906.38 = 142,546.08 : x - Step 2: Convert to fraction form
223,203.36/307,906.38 = 142,546.08/x - Step 3: Cross multiply
223,203.36x = 307,906.38 × 142,546.08 - Step 4: Simplify right side
223,203.36x = 43,890,847,475.99 - Step 5: Solve for x
x = 43,890,847,475.99/223,203.36 - Step 6: Final answer
x = 196,640.62
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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.