Finding the Fourth Proportional to 317,140.36, 437,793.30 and 222,020.44
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Solution
The fourth proportional to 317,140.36, 437,793.30 and 222,020.44 is: 306,485.94
Step by Step Solution
- Step 1: Write the proportion equation
317,140.36 : 437,793.30 = 222,020.44 : x - Step 2: Convert to fraction form
317,140.36/437,793.30 = 222,020.44/x - Step 3: Cross multiply
317,140.36x = 437,793.30 × 222,020.44 - Step 4: Simplify right side
317,140.36x = 97,199,061,095.05 - Step 5: Solve for x
x = 97,199,061,095.05/317,140.36 - Step 6: Final answer
x = 306,485.94
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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.