Finding the Fourth Proportional to 261,383.36, 360,704.16 and 146,664.08
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Solution
The fourth proportional to 261,383.36, 360,704.16 and 146,664.08 is: 202,393.69
Step by Step Solution
- Step 1: Write the proportion equation
261,383.36 : 360,704.16 = 146,664.08 : x - Step 2: Convert to fraction form
261,383.36/360,704.16 = 146,664.08/x - Step 3: Cross multiply
261,383.36x = 360,704.16 × 146,664.08 - Step 4: Simplify right side
261,383.36x = 52,902,343,778.57 - Step 5: Solve for x
x = 52,902,343,778.57/261,383.36 - Step 6: Final answer
x = 202,393.69
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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.