Finding the Fourth Proportional to 312,580.26, 468,957.87 and 125,722.98
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Solution
The fourth proportional to 312,580.26, 468,957.87 and 125,722.98 is: 188,619.66
Step by Step Solution
- Step 1: Write the proportion equation
312,580.26 : 468,957.87 = 125,722.98 : x - Step 2: Convert to fraction form
312,580.26/468,957.87 = 125,722.98/x - Step 3: Cross multiply
312,580.26x = 468,957.87 × 125,722.98 - Step 4: Simplify right side
312,580.26x = 58,958,780,910.85 - Step 5: Solve for x
x = 58,958,780,910.85/312,580.26 - Step 6: Final answer
x = 188,619.66
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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.