Finding the Fourth Proportional to 222,066.12, 306,453.06 and 121,464.12
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Solution
The fourth proportional to 222,066.12, 306,453.06 and 121,464.12 is: 167,621.48
Step by Step Solution
- Step 1: Write the proportion equation
222,066.12 : 306,453.06 = 121,464.12 : x - Step 2: Convert to fraction form
222,066.12/306,453.06 = 121,464.12/x - Step 3: Cross multiply
222,066.12x = 306,453.06 × 121,464.12 - Step 4: Simplify right side
222,066.12x = 37,223,051,254.21 - Step 5: Solve for x
x = 37,223,051,254.21/222,066.12 - Step 6: Final answer
x = 167,621.48
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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.