Finding the Fourth Proportional to 129,194.19, 193,846.77 and 44,908.43
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Solution
The fourth proportional to 129,194.19, 193,846.77 and 44,908.43 is: 67,381.92
Step by Step Solution
- Step 1: Write the proportion equation
129,194.19 : 193,846.77 = 44,908.43 : x - Step 2: Convert to fraction form
129,194.19/193,846.77 = 44,908.43/x - Step 3: Cross multiply
129,194.19x = 193,846.77 × 44,908.43 - Step 4: Simplify right side
129,194.19x = 8,705,353,132.04 - Step 5: Solve for x
x = 8,705,353,132.04/129,194.19 - Step 6: Final answer
x = 67,381.92
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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.