Finding the Fourth Proportional to 125,362.86, 188,071.97 and 46,477.09
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Solution
The fourth proportional to 125,362.86, 188,071.97 and 46,477.09 is: 69,725.90
Step by Step Solution
- Step 1: Write the proportion equation
125,362.86 : 188,071.97 = 46,477.09 : x - Step 2: Convert to fraction form
125,362.86/188,071.97 = 46,477.09/x - Step 3: Cross multiply
125,362.86x = 188,071.97 × 46,477.09 - Step 4: Simplify right side
125,362.86x = 8,741,037,876.17 - Step 5: Solve for x
x = 8,741,037,876.17/125,362.86 - Step 6: Final answer
x = 69,725.90
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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.