Finding the Fourth Proportional to 146,107.79, 201,626.77 and 81,578.02
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Solution
The fourth proportional to 146,107.79, 201,626.77 and 81,578.02 is: 112,576.56
Step by Step Solution
- Step 1: Write the proportion equation
146,107.79 : 201,626.77 = 81,578.02 : x - Step 2: Convert to fraction form
146,107.79/201,626.77 = 81,578.02/x - Step 3: Cross multiply
146,107.79x = 201,626.77 × 81,578.02 - Step 4: Simplify right side
146,107.79x = 16,448,312,247.81 - Step 5: Solve for x
x = 16,448,312,247.81/146,107.79 - Step 6: Final answer
x = 112,576.56
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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.