Finding the Fourth Proportional to 125,493.16, 188,220.18 and 41,252.74
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Solution
The fourth proportional to 125,493.16, 188,220.18 and 41,252.74 is: 61,872.68
Step by Step Solution
- Step 1: Write the proportion equation
125,493.16 : 188,220.18 = 41,252.74 : x - Step 2: Convert to fraction form
125,493.16/188,220.18 = 41,252.74/x - Step 3: Cross multiply
125,493.16x = 188,220.18 × 41,252.74 - Step 4: Simplify right side
125,493.16x = 7,764,598,148.29 - Step 5: Solve for x
x = 7,764,598,148.29/125,493.16 - Step 6: Final answer
x = 61,872.68
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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.