Finding the Fourth Proportional to 100,764.99, 150,917.72 and 48,211.65
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Solution
The fourth proportional to 100,764.99, 150,917.72 and 48,211.65 is: 72,207.54
Step by Step Solution
- Step 1: Write the proportion equation
100,764.99 : 150,917.72 = 48,211.65 : x - Step 2: Convert to fraction form
100,764.99/150,917.72 = 48,211.65/x - Step 3: Cross multiply
100,764.99x = 150,917.72 × 48,211.65 - Step 4: Simplify right side
100,764.99x = 7,275,992,054.38 - Step 5: Solve for x
x = 7,275,992,054.38/100,764.99 - Step 6: Final answer
x = 72,207.54
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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.