Finding the Fourth Proportional to 146,231.73, 201,798.09 and 82,572.21
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Solution
The fourth proportional to 146,231.73, 201,798.09 and 82,572.21 is: 113,948.69
Step by Step Solution
- Step 1: Write the proportion equation
146,231.73 : 201,798.09 = 82,572.21 : x - Step 2: Convert to fraction form
146,231.73/201,798.09 = 82,572.21/x - Step 3: Cross multiply
146,231.73x = 201,798.09 × 82,572.21 - Step 4: Simplify right side
146,231.73x = 16,662,914,265.08 - Step 5: Solve for x
x = 16,662,914,265.08/146,231.73 - Step 6: Final answer
x = 113,948.69
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1.5x scale
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.