Finding the Fourth Proportional to 146,579.20, 219,212.70 and 122,959.60
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Solution
The fourth proportional to 146,579.20, 219,212.70 and 122,959.60 is: 183,889.02
Step by Step Solution
- Step 1: Write the proportion equation
146,579.20 : 219,212.70 = 122,959.60 : x - Step 2: Convert to fraction form
146,579.20/219,212.70 = 122,959.60/x - Step 3: Cross multiply
146,579.20x = 219,212.70 × 122,959.60 - Step 4: Simplify right side
146,579.20x = 26,954,305,906.92 - Step 5: Solve for x
x = 26,954,305,906.92/146,579.20 - Step 6: Final answer
x = 183,889.02
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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.