Finding the Fourth Proportional to 288,558.84, 398,203.56 and 161,235.48
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Solution
The fourth proportional to 288,558.84, 398,203.56 and 161,235.48 is: 222,500.69
Step by Step Solution
- Step 1: Write the proportion equation
288,558.84 : 398,203.56 = 161,235.48 : x - Step 2: Convert to fraction form
288,558.84/398,203.56 = 161,235.48/x - Step 3: Cross multiply
288,558.84x = 398,203.56 × 161,235.48 - Step 4: Simplify right side
288,558.84x = 64,204,542,134.31 - Step 5: Solve for x
x = 64,204,542,134.31/288,558.84 - Step 6: Final answer
x = 222,500.69
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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.