Finding the Fourth Proportional to 226,289.55, 339,577.26 and 126,515.19
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Solution
The fourth proportional to 226,289.55, 339,577.26 and 126,515.19 is: 189,852.70
Step by Step Solution
- Step 1: Write the proportion equation
226,289.55 : 339,577.26 = 126,515.19 : x - Step 2: Convert to fraction form
226,289.55/339,577.26 = 126,515.19/x - Step 3: Cross multiply
226,289.55x = 339,577.26 × 126,515.19 - Step 4: Simplify right side
226,289.55x = 42,961,681,568.58 - Step 5: Solve for x
x = 42,961,681,568.58/226,289.55 - Step 6: Final answer
x = 189,852.70
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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.