Finding the Fourth Proportional to 221,874.93, 332,864.78 and 72,115.65
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Solution
The fourth proportional to 221,874.93, 332,864.78 and 72,115.65 is: 108,190.50
Step by Step Solution
- Step 1: Write the proportion equation
221,874.93 : 332,864.78 = 72,115.65 : x - Step 2: Convert to fraction form
221,874.93/332,864.78 = 72,115.65/x - Step 3: Cross multiply
221,874.93x = 332,864.78 × 72,115.65 - Step 4: Simplify right side
221,874.93x = 24,004,759,611.23 - Step 5: Solve for x
x = 24,004,759,611.23/221,874.93 - Step 6: Final answer
x = 108,190.50
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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.