Finding the Fourth Proportional to 213,823.96, 295,110.20 and 121,943.44
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Solution
The fourth proportional to 213,823.96, 295,110.20 and 121,943.44 is: 168,300.84
Step by Step Solution
- Step 1: Write the proportion equation
213,823.96 : 295,110.20 = 121,943.44 : x - Step 2: Convert to fraction form
213,823.96/295,110.20 = 121,943.44/x - Step 3: Cross multiply
213,823.96x = 295,110.20 × 121,943.44 - Step 4: Simplify right side
213,823.96x = 35,986,752,967.09 - Step 5: Solve for x
x = 35,986,752,967.09/213,823.96 - Step 6: Final answer
x = 168,300.84
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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.