Finding the Fourth Proportional to 200,246.28, 276,324.12 and 115,370.16
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Solution
The fourth proportional to 200,246.28, 276,324.12 and 115,370.16 is: 159,201.75
Step by Step Solution
- Step 1: Write the proportion equation
200,246.28 : 276,324.12 = 115,370.16 : x - Step 2: Convert to fraction form
200,246.28/276,324.12 = 115,370.16/x - Step 3: Cross multiply
200,246.28x = 276,324.12 × 115,370.16 - Step 4: Simplify right side
200,246.28x = 31,879,557,936.26 - Step 5: Solve for x
x = 31,879,557,936.26/200,246.28 - Step 6: Final answer
x = 159,201.75
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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.