Finding the Fourth Proportional to 221,918.37, 332,879.99 and 64,148.19
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Solution
The fourth proportional to 221,918.37, 332,879.99 and 64,148.19 is: 96,222.99
Step by Step Solution
- Step 1: Write the proportion equation
221,918.37 : 332,879.99 = 64,148.19 : x - Step 2: Convert to fraction form
221,918.37/332,879.99 = 64,148.19/x - Step 3: Cross multiply
221,918.37x = 332,879.99 × 64,148.19 - Step 4: Simplify right side
221,918.37x = 21,353,648,524.98 - Step 5: Solve for x
x = 21,353,648,524.98/221,918.37 - Step 6: Final answer
x = 96,222.99
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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.