Finding the Fourth Proportional to 146,040.48, 201,471.84 and 85,580.46
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Solution
The fourth proportional to 146,040.48, 201,471.84 and 85,580.46 is: 118,063.52
Step by Step Solution
- Step 1: Write the proportion equation
146,040.48 : 201,471.84 = 85,580.46 : x - Step 2: Convert to fraction form
146,040.48/201,471.84 = 85,580.46/x - Step 3: Cross multiply
146,040.48x = 201,471.84 × 85,580.46 - Step 4: Simplify right side
146,040.48x = 17,242,052,744.25 - Step 5: Solve for x
x = 17,242,052,744.25/146,040.48 - Step 6: Final answer
x = 118,063.52
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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.