Finding the Fourth Proportional to 198,232.07, 273,560.52 and 107,588.03
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Solution
The fourth proportional to 198,232.07, 273,560.52 and 107,588.03 is: 148,471.63
Step by Step Solution
- Step 1: Write the proportion equation
198,232.07 : 273,560.52 = 107,588.03 : x - Step 2: Convert to fraction form
198,232.07/273,560.52 = 107,588.03/x - Step 3: Cross multiply
198,232.07x = 273,560.52 × 107,588.03 - Step 4: Simplify right side
198,232.07x = 29,431,837,553.12 - Step 5: Solve for x
x = 29,431,837,553.12/198,232.07 - Step 6: Final answer
x = 148,471.63
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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.