Finding the Fourth Proportional to 213,164.68, 294,163.64 and 117,668.92
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Solution
The fourth proportional to 213,164.68, 294,163.64 and 117,668.92 is: 162,381.11
Step by Step Solution
- Step 1: Write the proportion equation
213,164.68 : 294,163.64 = 117,668.92 : x - Step 2: Convert to fraction form
213,164.68/294,163.64 = 117,668.92/x - Step 3: Cross multiply
213,164.68x = 294,163.64 × 117,668.92 - Step 4: Simplify right side
213,164.68x = 34,613,917,822.07 - Step 5: Solve for x
x = 34,613,917,822.07/213,164.68 - Step 6: Final answer
x = 162,381.11
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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.