Finding the Fourth Proportional to 222,369.98, 306,866.88 and 120,394.62
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Solution
The fourth proportional to 222,369.98, 306,866.88 and 120,394.62 is: 166,142.58
Step by Step Solution
- Step 1: Write the proportion equation
222,369.98 : 306,866.88 = 120,394.62 : x - Step 2: Convert to fraction form
222,369.98/306,866.88 = 120,394.62/x - Step 3: Cross multiply
222,369.98x = 306,866.88 × 120,394.62 - Step 4: Simplify right side
222,369.98x = 36,945,121,408.19 - Step 5: Solve for x
x = 36,945,121,408.19/222,369.98 - Step 6: Final answer
x = 166,142.58
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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.