Finding the Fourth Proportional to 146,366.75, 201,983.48 and 82,703.18
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Solution
The fourth proportional to 146,366.75, 201,983.48 and 82,703.18 is: 114,128.89
Step by Step Solution
- Step 1: Write the proportion equation
146,366.75 : 201,983.48 = 82,703.18 : x - Step 2: Convert to fraction form
146,366.75/201,983.48 = 82,703.18/x - Step 3: Cross multiply
146,366.75x = 201,983.48 × 82,703.18 - Step 4: Simplify right side
146,366.75x = 16,704,674,680.03 - Step 5: Solve for x
x = 16,704,674,680.03/146,366.75 - Step 6: Final answer
x = 114,128.89
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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.