Finding the Fourth Proportional to 146,471.28, 202,133.79 and 82,812.84
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Solution
The fourth proportional to 146,471.28, 202,133.79 and 82,812.84 is: 114,283.65
Step by Step Solution
- Step 1: Write the proportion equation
146,471.28 : 202,133.79 = 82,812.84 : x - Step 2: Convert to fraction form
146,471.28/202,133.79 = 82,812.84/x - Step 3: Cross multiply
146,471.28x = 202,133.79 × 82,812.84 - Step 4: Simplify right side
146,471.28x = 16,739,273,209.86 - Step 5: Solve for x
x = 16,739,273,209.86/146,471.28 - Step 6: Final answer
x = 114,283.65
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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.