Finding the Fourth Proportional to 226,079.54, 311,978.12 and 134,202.68
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Solution
The fourth proportional to 226,079.54, 311,978.12 and 134,202.68 is: 185,192.79
Step by Step Solution
- Step 1: Write the proportion equation
226,079.54 : 311,978.12 = 134,202.68 : x - Step 2: Convert to fraction form
226,079.54/311,978.12 = 134,202.68/x - Step 3: Cross multiply
226,079.54x = 311,978.12 × 134,202.68 - Step 4: Simplify right side
226,079.54x = 41,868,299,805.36 - Step 5: Solve for x
x = 41,868,299,805.36/226,079.54 - Step 6: Final answer
x = 185,192.79
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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.