Finding the Fourth Proportional to 288,059.24, 397,519.60 and 158,997.68
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Solution
The fourth proportional to 288,059.24, 397,519.60 and 158,997.68 is: 219,415.62
Step by Step Solution
- Step 1: Write the proportion equation
288,059.24 : 397,519.60 = 158,997.68 : x - Step 2: Convert to fraction form
288,059.24/397,519.60 = 158,997.68/x - Step 3: Cross multiply
288,059.24x = 397,519.60 × 158,997.68 - Step 4: Simplify right side
288,059.24x = 63,204,694,750.83 - Step 5: Solve for x
x = 63,204,694,750.83/288,059.24 - Step 6: Final answer
x = 219,415.62
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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.