Finding the Fourth Proportional to 288,243.68, 397,765.68 and 160,924.64
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Solution
The fourth proportional to 288,243.68, 397,765.68 and 160,924.64 is: 222,070.09
Step by Step Solution
- Step 1: Write the proportion equation
288,243.68 : 397,765.68 = 160,924.64 : x - Step 2: Convert to fraction form
288,243.68/397,765.68 = 160,924.64/x - Step 3: Cross multiply
288,243.68x = 397,765.68 × 160,924.64 - Step 4: Simplify right side
288,243.68x = 64,010,298,858.36 - Step 5: Solve for x
x = 64,010,298,858.36/288,243.68 - Step 6: Final answer
x = 222,070.09
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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.