Finding the Fourth Proportional to 198,195.07, 273,507.80 and 107,548.73
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Solution
The fourth proportional to 198,195.07, 273,507.80 and 107,548.73 is: 148,416.49
Step by Step Solution
- Step 1: Write the proportion equation
198,195.07 : 273,507.80 = 107,548.73 : x - Step 2: Convert to fraction form
198,195.07/273,507.80 = 107,548.73/x - Step 3: Cross multiply
198,195.07x = 273,507.80 × 107,548.73 - Step 4: Simplify right side
198,195.07x = 29,415,416,535.09 - Step 5: Solve for x
x = 29,415,416,535.09/198,195.07 - Step 6: Final answer
x = 148,416.49
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1.5x scale
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.