Finding the Fourth Proportional to 213,161.46, 294,162.99 and 117,668.07
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Solution
The fourth proportional to 213,161.46, 294,162.99 and 117,668.07 is: 162,382.03
Step by Step Solution
- Step 1: Write the proportion equation
213,161.46 : 294,162.99 = 117,668.07 : x - Step 2: Convert to fraction form
213,161.46/294,162.99 = 117,668.07/x - Step 3: Cross multiply
213,161.46x = 294,162.99 × 117,668.07 - Step 4: Simplify right side
213,161.46x = 34,613,591,298.73 - Step 5: Solve for x
x = 34,613,591,298.73/213,161.46 - Step 6: Final answer
x = 162,382.03
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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.