Finding the Fourth Proportional to 202,662.36, 279,853.38 and 126,311.76
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Solution
The fourth proportional to 202,662.36, 279,853.38 and 126,311.76 is: 174,421.99
Step by Step Solution
- Step 1: Write the proportion equation
202,662.36 : 279,853.38 = 126,311.76 : x - Step 2: Convert to fraction form
202,662.36/279,853.38 = 126,311.76/x - Step 3: Cross multiply
202,662.36x = 279,853.38 × 126,311.76 - Step 4: Simplify right side
202,662.36x = 35,348,772,969.75 - Step 5: Solve for x
x = 35,348,772,969.75/202,662.36 - Step 6: Final answer
x = 174,421.99
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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.