Finding the Fourth Proportional to 198,437.91, 273,847.23 and 107,795.58
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Solution
The fourth proportional to 198,437.91, 273,847.23 and 107,795.58 is: 148,759.48
Step by Step Solution
- Step 1: Write the proportion equation
198,437.91 : 273,847.23 = 107,795.58 : x - Step 2: Convert to fraction form
198,437.91/273,847.23 = 107,795.58/x - Step 3: Cross multiply
198,437.91x = 273,847.23 × 107,795.58 - Step 4: Simplify right side
198,437.91x = 29,519,520,989.24 - Step 5: Solve for x
x = 29,519,520,989.24/198,437.91 - Step 6: Final answer
x = 148,759.48
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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.