Finding the Fourth Proportional to 312,359.29, 468,538.92 and 75,701.97
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Solution
The fourth proportional to 312,359.29, 468,538.92 and 75,701.97 is: 113,552.95
Step by Step Solution
- Step 1: Write the proportion equation
312,359.29 : 468,538.92 = 75,701.97 : x - Step 2: Convert to fraction form
312,359.29/468,538.92 = 75,701.97/x - Step 3: Cross multiply
312,359.29x = 468,538.92 × 75,701.97 - Step 4: Simplify right side
312,359.29x = 35,469,317,112.23 - Step 5: Solve for x
x = 35,469,317,112.23/312,359.29 - Step 6: Final answer
x = 113,552.95
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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.