Finding the Fourth Proportional to 197,846.95, 273,042.18 and 111,776.08
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Solution
The fourth proportional to 197,846.95, 273,042.18 and 111,776.08 is: 154,258.55
Step by Step Solution
- Step 1: Write the proportion equation
197,846.95 : 273,042.18 = 111,776.08 : x - Step 2: Convert to fraction form
197,846.95/273,042.18 = 111,776.08/x - Step 3: Cross multiply
197,846.95x = 273,042.18 × 111,776.08 - Step 4: Simplify right side
197,846.95x = 30,519,584,555.05 - Step 5: Solve for x
x = 30,519,584,555.05/197,846.95 - Step 6: Final answer
x = 154,258.55
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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.