Finding the Fourth Proportional to 125,464.70, 188,202.29 and 36,718.21
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Solution
The fourth proportional to 125,464.70, 188,202.29 and 36,718.21 is: 55,078.85
Step by Step Solution
- Step 1: Write the proportion equation
125,464.70 : 188,202.29 = 36,718.21 : x - Step 2: Convert to fraction form
125,464.70/188,202.29 = 36,718.21/x - Step 3: Cross multiply
125,464.70x = 188,202.29 × 36,718.21 - Step 4: Simplify right side
125,464.70x = 6,910,451,258.36 - Step 5: Solve for x
x = 6,910,451,258.36/125,464.70 - Step 6: Final answer
x = 55,078.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.