Finding the Fourth Proportional to 397,622.44, 548,734.06 and 227,889.32
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Solution
The fourth proportional to 397,622.44, 548,734.06 and 227,889.32 is: 314,495.91
Step by Step Solution
- Step 1: Write the proportion equation
397,622.44 : 548,734.06 = 227,889.32 : x - Step 2: Convert to fraction form
397,622.44/548,734.06 = 227,889.32/x - Step 3: Cross multiply
397,622.44x = 548,734.06 × 227,889.32 - Step 4: Simplify right side
397,622.44x = 125,050,631,794.24 - Step 5: Solve for x
x = 125,050,631,794.24/397,622.44 - Step 6: Final answer
x = 314,495.91
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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.