Finding the Fourth Proportional to 149,793.12, 206,727.36 and 82,738.08
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Solution
The fourth proportional to 149,793.12, 206,727.36 and 82,738.08 is: 114,185.65
Step by Step Solution
- Step 1: Write the proportion equation
149,793.12 : 206,727.36 = 82,738.08 : x - Step 2: Convert to fraction form
149,793.12/206,727.36 = 82,738.08/x - Step 3: Cross multiply
149,793.12x = 206,727.36 × 82,738.08 - Step 4: Simplify right side
149,793.12x = 17,104,224,849.87 - Step 5: Solve for x
x = 17,104,224,849.87/149,793.12 - Step 6: Final answer
x = 114,185.65
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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.