Finding the Fourth Proportional to 213,021.70, 293,969.97 and 117,528.62
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Solution
The fourth proportional to 213,021.70, 293,969.97 and 117,528.62 is: 162,189.51
Step by Step Solution
- Step 1: Write the proportion equation
213,021.70 : 293,969.97 = 117,528.62 : x - Step 2: Convert to fraction form
213,021.70/293,969.97 = 117,528.62/x - Step 3: Cross multiply
213,021.70x = 293,969.97 × 117,528.62 - Step 4: Simplify right side
213,021.70x = 34,549,884,895.54 - Step 5: Solve for x
x = 34,549,884,895.54/213,021.70 - Step 6: Final answer
x = 162,189.51
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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.