Finding the Fourth Proportional to 288,245.68, 397,768.44 and 160,926.64
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Solution
The fourth proportional to 288,245.68, 397,768.44 and 160,926.64 is: 222,072.85
Step by Step Solution
- Step 1: Write the proportion equation
288,245.68 : 397,768.44 = 160,926.64 : x - Step 2: Convert to fraction form
288,245.68/397,768.44 = 160,926.64/x - Step 3: Cross multiply
288,245.68x = 397,768.44 × 160,926.64 - Step 4: Simplify right side
288,245.68x = 64,011,538,547.24 - Step 5: Solve for x
x = 64,011,538,547.24/288,245.68 - Step 6: Final answer
x = 222,072.85
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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.