Finding the Fourth Proportional to 159,489.54, 239,285.10 and 47,170.44
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Solution
The fourth proportional to 159,489.54, 239,285.10 and 47,170.44 is: 70,770.68
Step by Step Solution
- Step 1: Write the proportion equation
159,489.54 : 239,285.10 = 47,170.44 : x - Step 2: Convert to fraction form
159,489.54/239,285.10 = 47,170.44/x - Step 3: Cross multiply
159,489.54x = 239,285.10 × 47,170.44 - Step 4: Simplify right side
159,489.54x = 11,287,183,452.44 - Step 5: Solve for x
x = 11,287,183,452.44/159,489.54 - Step 6: Final answer
x = 70,770.68
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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.