Finding the Fourth Proportional to 226,427.70, 339,425.55 and 84,234.90
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Solution
The fourth proportional to 226,427.70, 339,425.55 and 84,234.90 is: 126,271.99
Step by Step Solution
- Step 1: Write the proportion equation
226,427.70 : 339,425.55 = 84,234.90 : x - Step 2: Convert to fraction form
226,427.70/339,425.55 = 84,234.90/x - Step 3: Cross multiply
226,427.70x = 339,425.55 × 84,234.90 - Step 4: Simplify right side
226,427.70x = 28,591,477,261.70 - Step 5: Solve for x
x = 28,591,477,261.70/226,427.70 - Step 6: Final answer
x = 126,271.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.