Finding the Fourth Proportional to 162,998.53, 224,942.67 and 91,379.75
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Solution
The fourth proportional to 162,998.53, 224,942.67 and 91,379.75 is: 126,106.68
Step by Step Solution
- Step 1: Write the proportion equation
162,998.53 : 224,942.67 = 91,379.75 : x - Step 2: Convert to fraction form
162,998.53/224,942.67 = 91,379.75/x - Step 3: Cross multiply
162,998.53x = 224,942.67 × 91,379.75 - Step 4: Simplify right side
162,998.53x = 20,555,203,824.22 - Step 5: Solve for x
x = 20,555,203,824.22/162,998.53 - Step 6: Final answer
x = 126,106.68
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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.