Finding the Fourth Proportional to 288,745.52, 398,481.18 and 161,421.08
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Solution
The fourth proportional to 288,745.52, 398,481.18 and 161,421.08 is: 222,768.00
Step by Step Solution
- Step 1: Write the proportion equation
288,745.52 : 398,481.18 = 161,421.08 : x - Step 2: Convert to fraction form
288,745.52/398,481.18 = 161,421.08/x - Step 3: Cross multiply
288,745.52x = 398,481.18 × 161,421.08 - Step 4: Simplify right side
288,745.52x = 64,323,262,435.27 - Step 5: Solve for x
x = 64,323,262,435.27/288,745.52 - Step 6: Final answer
x = 222,768.00
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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.