Finding the Fourth Proportional to 189,133.26, 260,975.79 and 108,563.82
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Solution
The fourth proportional to 189,133.26, 260,975.79 and 108,563.82 is: 149,801.94
Step by Step Solution
- Step 1: Write the proportion equation
189,133.26 : 260,975.79 = 108,563.82 : x - Step 2: Convert to fraction form
189,133.26/260,975.79 = 108,563.82/x - Step 3: Cross multiply
189,133.26x = 260,975.79 × 108,563.82 - Step 4: Simplify right side
189,133.26x = 28,332,528,689.92 - Step 5: Solve for x
x = 28,332,528,689.92/189,133.26 - Step 6: Final answer
x = 149,801.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.