Finding the Fourth Proportional to 393,049.26, 589,516.38 and 193,315.95
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Solution
The fourth proportional to 393,049.26, 589,516.38 and 193,315.95 is: 289,945.64
Step by Step Solution
- Step 1: Write the proportion equation
393,049.26 : 589,516.38 = 193,315.95 : x - Step 2: Convert to fraction form
393,049.26/589,516.38 = 193,315.95/x - Step 3: Cross multiply
393,049.26x = 589,516.38 × 193,315.95 - Step 4: Simplify right side
393,049.26x = 113,962,919,040.26 - Step 5: Solve for x
x = 113,962,919,040.26/393,049.26 - Step 6: Final answer
x = 289,945.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.