Finding the Fourth Proportional to 226,023.75, 311,927.36 and 125,421.75
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Solution
The fourth proportional to 226,023.75, 311,927.36 and 125,421.75 is: 173,090.11
Step by Step Solution
- Step 1: Write the proportion equation
226,023.75 : 311,927.36 = 125,421.75 : x - Step 2: Convert to fraction form
226,023.75/311,927.36 = 125,421.75/x - Step 3: Cross multiply
226,023.75x = 311,927.36 × 125,421.75 - Step 4: Simplify right side
226,023.75x = 39,122,474,736.97 - Step 5: Solve for x
x = 39,122,474,736.97/226,023.75 - Step 6: Final answer
x = 173,090.11
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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.