Finding the Fourth Proportional to 129,854.07, 194,868.58 and 50,958.99
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Solution
The fourth proportional to 129,854.07, 194,868.58 and 50,958.99 is: 76,472.81
Step by Step Solution
- Step 1: Write the proportion equation
129,854.07 : 194,868.58 = 50,958.99 : x - Step 2: Convert to fraction form
129,854.07/194,868.58 = 50,958.99/x - Step 3: Cross multiply
129,854.07x = 194,868.58 × 50,958.99 - Step 4: Simplify right side
129,854.07x = 9,930,306,019.53 - Step 5: Solve for x
x = 9,930,306,019.53/129,854.07 - Step 6: Final answer
x = 76,472.81
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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.