Finding the Fourth Proportional to 121,877.48, 182,797.67 and 46,986.69
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Solution
The fourth proportional to 121,877.48, 182,797.67 and 46,986.69 is: 70,472.88
Step by Step Solution
- Step 1: Write the proportion equation
121,877.48 : 182,797.67 = 46,986.69 : x - Step 2: Convert to fraction form
121,877.48/182,797.67 = 46,986.69/x - Step 3: Cross multiply
121,877.48x = 182,797.67 × 46,986.69 - Step 4: Simplify right side
121,877.48x = 8,589,057,218.08 - Step 5: Solve for x
x = 8,589,057,218.08/121,877.48 - Step 6: Final answer
x = 70,472.88
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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.