Finding the Fourth Proportional to 213,163.20, 294,164.93 and 117,669.67
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Solution
The fourth proportional to 213,163.20, 294,164.93 and 117,669.67 is: 162,383.99
Step by Step Solution
- Step 1: Write the proportion equation
213,163.20 : 294,164.93 = 117,669.67 : x - Step 2: Convert to fraction form
213,163.20/294,164.93 = 117,669.67/x - Step 3: Cross multiply
213,163.20x = 294,164.93 × 117,669.67 - Step 4: Simplify right side
213,163.20x = 34,614,290,238.67 - Step 5: Solve for x
x = 34,614,290,238.67/213,163.20 - Step 6: Final answer
x = 162,383.99
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1.5x scale
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.