Finding the Fourth Proportional to 222,245.18, 306,698.33 and 120,270.62
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Solution
The fourth proportional to 222,245.18, 306,698.33 and 120,270.62 is: 165,973.45
Step by Step Solution
- Step 1: Write the proportion equation
222,245.18 : 306,698.33 = 120,270.62 : x - Step 2: Convert to fraction form
222,245.18/306,698.33 = 120,270.62/x - Step 3: Cross multiply
222,245.18x = 306,698.33 × 120,270.62 - Step 4: Simplify right side
222,245.18x = 36,886,798,467.46 - Step 5: Solve for x
x = 36,886,798,467.46/222,245.18 - Step 6: Final answer
x = 165,973.45
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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.