Finding the Fourth Proportional to 159,616.36, 239,481.78 and 68,393.44
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Solution
The fourth proportional to 159,616.36, 239,481.78 and 68,393.44 is: 102,614.69
Step by Step Solution
- Step 1: Write the proportion equation
159,616.36 : 239,481.78 = 68,393.44 : x - Step 2: Convert to fraction form
159,616.36/239,481.78 = 68,393.44/x - Step 3: Cross multiply
159,616.36x = 239,481.78 × 68,393.44 - Step 4: Simplify right side
159,616.36x = 16,378,982,751.52 - Step 5: Solve for x
x = 16,378,982,751.52/159,616.36 - Step 6: Final answer
x = 102,614.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.