Finding the Fourth Proportional to 213,132.14, 294,101.40 and 117,632.68
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Solution
The fourth proportional to 213,132.14, 294,101.40 and 117,632.68 is: 162,321.53
Step by Step Solution
- Step 1: Write the proportion equation
213,132.14 : 294,101.40 = 117,632.68 : x - Step 2: Convert to fraction form
213,132.14/294,101.40 = 117,632.68/x - Step 3: Cross multiply
213,132.14x = 294,101.40 × 117,632.68 - Step 4: Simplify right side
213,132.14x = 34,595,935,873.75 - Step 5: Solve for x
x = 34,595,935,873.75/213,132.14 - Step 6: Final answer
x = 162,321.53
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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.