Finding the Fourth Proportional to 311,378.94, 466,901.37 and 98,107.02
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Solution
The fourth proportional to 311,378.94, 466,901.37 and 98,107.02 is: 147,107.90
Step by Step Solution
- Step 1: Write the proportion equation
311,378.94 : 466,901.37 = 98,107.02 : x - Step 2: Convert to fraction form
311,378.94/466,901.37 = 98,107.02/x - Step 3: Cross multiply
311,378.94x = 466,901.37 × 98,107.02 - Step 4: Simplify right side
311,378.94x = 45,806,302,044.62 - Step 5: Solve for x
x = 45,806,302,044.62/311,378.94 - Step 6: Final answer
x = 147,107.90
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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.