Finding the Fourth Proportional to 202,670.64, 304,066.92 and 143,620.08
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Solution
The fourth proportional to 202,670.64, 304,066.92 and 143,620.08 is: 215,473.32
Step by Step Solution
- Step 1: Write the proportion equation
202,670.64 : 304,066.92 = 143,620.08 : x - Step 2: Convert to fraction form
202,670.64/304,066.92 = 143,620.08/x - Step 3: Cross multiply
202,670.64x = 304,066.92 × 143,620.08 - Step 4: Simplify right side
202,670.64x = 43,670,115,375.75 - Step 5: Solve for x
x = 43,670,115,375.75/202,670.64 - Step 6: Final answer
x = 215,473.32
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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.