Finding the Fourth Proportional to 127,596.21, 191,387.84 and 38,847.75
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Solution
The fourth proportional to 127,596.21, 191,387.84 and 38,847.75 is: 58,269.65
Step by Step Solution
- Step 1: Write the proportion equation
127,596.21 : 191,387.84 = 38,847.75 : x - Step 2: Convert to fraction form
127,596.21/191,387.84 = 38,847.75/x - Step 3: Cross multiply
127,596.21x = 191,387.84 × 38,847.75 - Step 4: Simplify right side
127,596.21x = 7,434,986,767.12 - Step 5: Solve for x
x = 7,434,986,767.12/127,596.21 - Step 6: Final answer
x = 58,269.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.