Finding the Fourth Proportional to 198,276.93, 273,507.63 and 126,576.14
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Solution
The fourth proportional to 198,276.93, 273,507.63 and 126,576.14 is: 174,601.95
Step by Step Solution
- Step 1: Write the proportion equation
198,276.93 : 273,507.63 = 126,576.14 : x - Step 2: Convert to fraction form
198,276.93/273,507.63 = 126,576.14/x - Step 3: Cross multiply
198,276.93x = 273,507.63 × 126,576.14 - Step 4: Simplify right side
198,276.93x = 34,619,538,698.41 - Step 5: Solve for x
x = 34,619,538,698.41/198,276.93 - Step 6: Final answer
x = 174,601.95
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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.