Finding the Fourth Proportional to 213,899.01, 321,163.92 and 119,313.99
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Solution
The fourth proportional to 213,899.01, 321,163.92 and 119,313.99 is: 179,146.92
Step by Step Solution
- Step 1: Write the proportion equation
213,899.01 : 321,163.92 = 119,313.99 : x - Step 2: Convert to fraction form
213,899.01/321,163.92 = 119,313.99/x - Step 3: Cross multiply
213,899.01x = 321,163.92 × 119,313.99 - Step 4: Simplify right side
213,899.01x = 38,319,348,739.24 - Step 5: Solve for x
x = 38,319,348,739.24/213,899.01 - Step 6: Final answer
x = 179,146.92
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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.