Finding the Fourth Proportional to 146,812.70, 202,615.74 and 82,292.90
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Solution
The fourth proportional to 146,812.70, 202,615.74 and 82,292.90 is: 113,572.17
Step by Step Solution
- Step 1: Write the proportion equation
146,812.70 : 202,615.74 = 82,292.90 : x - Step 2: Convert to fraction form
146,812.70/202,615.74 = 82,292.90/x - Step 3: Cross multiply
146,812.70x = 202,615.74 × 82,292.90 - Step 4: Simplify right side
146,812.70x = 16,673,836,830.25 - Step 5: Solve for x
x = 16,673,836,830.25/146,812.70 - Step 6: Final answer
x = 113,572.17
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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.