Finding the Fourth Proportional to 197,863.75, 273,101.79 and 113,030.02
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Solution
The fourth proportional to 197,863.75, 273,101.79 and 113,030.02 is: 156,009.88
Step by Step Solution
- Step 1: Write the proportion equation
197,863.75 : 273,101.79 = 113,030.02 : x - Step 2: Convert to fraction form
197,863.75/273,101.79 = 113,030.02/x - Step 3: Cross multiply
197,863.75x = 273,101.79 × 113,030.02 - Step 4: Simplify right side
197,863.75x = 30,868,700,785.74 - Step 5: Solve for x
x = 30,868,700,785.74/197,863.75 - Step 6: Final answer
x = 156,009.88
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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.