Finding the Fourth Proportional to 200,327.28, 276,464.97 and 115,449.81
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Solution
The fourth proportional to 200,327.28, 276,464.97 and 115,449.81 is: 159,328.42
Step by Step Solution
- Step 1: Write the proportion equation
200,327.28 : 276,464.97 = 115,449.81 : x - Step 2: Convert to fraction form
200,327.28/276,464.97 = 115,449.81/x - Step 3: Cross multiply
200,327.28x = 276,464.97 × 115,449.81 - Step 4: Simplify right side
200,327.28x = 31,917,828,258.16 - Step 5: Solve for x
x = 31,917,828,258.16/200,327.28 - Step 6: Final answer
x = 159,328.42
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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.