Finding the Fourth Proportional to 197,974.44, 273,201.36 and 111,931.96
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Solution
The fourth proportional to 197,974.44, 273,201.36 and 111,931.96 is: 154,464.20
Step by Step Solution
- Step 1: Write the proportion equation
197,974.44 : 273,201.36 = 111,931.96 : x - Step 2: Convert to fraction form
197,974.44/273,201.36 = 111,931.96/x - Step 3: Cross multiply
197,974.44x = 273,201.36 × 111,931.96 - Step 4: Simplify right side
197,974.44x = 30,579,963,699.47 - Step 5: Solve for x
x = 30,579,963,699.47/197,974.44 - Step 6: Final answer
x = 154,464.20
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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.