Finding the Fourth Proportional to 198,212.64, 273,533.62 and 107,568.62
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Solution
The fourth proportional to 198,212.64, 273,533.62 and 107,568.62 is: 148,444.79
Step by Step Solution
- Step 1: Write the proportion equation
198,212.64 : 273,533.62 = 107,568.62 : x - Step 2: Convert to fraction form
198,212.64/273,533.62 = 107,568.62/x - Step 3: Cross multiply
198,212.64x = 273,533.62 × 107,568.62 - Step 4: Simplify right side
198,212.64x = 29,423,634,027.00 - Step 5: Solve for x
x = 29,423,634,027.00/198,212.64 - Step 6: Final answer
x = 148,444.79
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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.