Finding the Fourth Proportional to 125,675.63, 188,511.79 and 30,906.63
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Solution
The fourth proportional to 125,675.63, 188,511.79 and 30,906.63 is: 46,359.54
Step by Step Solution
- Step 1: Write the proportion equation
125,675.63 : 188,511.79 = 30,906.63 : x - Step 2: Convert to fraction form
125,675.63/188,511.79 = 30,906.63/x - Step 3: Cross multiply
125,675.63x = 188,511.79 × 30,906.63 - Step 4: Simplify right side
125,675.63x = 5,826,264,538.18 - Step 5: Solve for x
x = 5,826,264,538.18/125,675.63 - Step 6: Final answer
x = 46,359.54
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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.