Finding the Fourth Proportional to 197,525.58, 272,583.32 and 106,879.56
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Solution
The fourth proportional to 197,525.58, 272,583.32 and 106,879.56 is: 147,492.72
Step by Step Solution
- Step 1: Write the proportion equation
197,525.58 : 272,583.32 = 106,879.56 : x - Step 2: Convert to fraction form
197,525.58/272,583.32 = 106,879.56/x - Step 3: Cross multiply
197,525.58x = 272,583.32 × 106,879.56 - Step 4: Simplify right side
197,525.58x = 29,133,585,304.94 - Step 5: Solve for x
x = 29,133,585,304.94/197,525.58 - Step 6: Final answer
x = 147,492.72
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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.