Finding the Fourth Proportional to 146,510.19, 220,863.41 and 136,745.13
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Solution
The fourth proportional to 146,510.19, 220,863.41 and 136,745.13 is: 206,142.62
Step by Step Solution
- Step 1: Write the proportion equation
146,510.19 : 220,863.41 = 136,745.13 : x - Step 2: Convert to fraction form
146,510.19/220,863.41 = 136,745.13/x - Step 3: Cross multiply
146,510.19x = 220,863.41 × 136,745.13 - Step 4: Simplify right side
146,510.19x = 30,201,995,028.97 - Step 5: Solve for x
x = 30,201,995,028.97/146,510.19 - Step 6: Final answer
x = 206,142.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.