Finding the Fourth Proportional to 208,532.76, 312,751.17 and 124,316.70
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Solution
The fourth proportional to 208,532.76, 312,751.17 and 124,316.70 is: 186,446.45
Step by Step Solution
- Step 1: Write the proportion equation
208,532.76 : 312,751.17 = 124,316.70 : x - Step 2: Convert to fraction form
208,532.76/312,751.17 = 124,316.70/x - Step 3: Cross multiply
208,532.76x = 312,751.17 × 124,316.70 - Step 4: Simplify right side
208,532.76x = 38,880,193,375.54 - Step 5: Solve for x
x = 38,880,193,375.54/208,532.76 - Step 6: Final answer
x = 186,446.45
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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.