Finding the Fourth Proportional to 213,747.36, 295,065.84 and 127,736.68
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Solution
The fourth proportional to 213,747.36, 295,065.84 and 127,736.68 is: 176,333.08
Step by Step Solution
- Step 1: Write the proportion equation
213,747.36 : 295,065.84 = 127,736.68 : x - Step 2: Convert to fraction form
213,747.36/295,065.84 = 127,736.68/x - Step 3: Cross multiply
213,747.36x = 295,065.84 × 127,736.68 - Step 4: Simplify right side
213,747.36x = 37,690,730,783.01 - Step 5: Solve for x
x = 37,690,730,783.01/213,747.36 - Step 6: Final answer
x = 176,333.08
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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.