Finding the Fourth Proportional to 198,243.93, 273,576.29 and 107,599.79
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Solution
The fourth proportional to 198,243.93, 273,576.29 and 107,599.79 is: 148,487.52
Step by Step Solution
- Step 1: Write the proportion equation
198,243.93 : 273,576.29 = 107,599.79 : x - Step 2: Convert to fraction form
198,243.93/273,576.29 = 107,599.79/x - Step 3: Cross multiply
198,243.93x = 273,576.29 × 107,599.79 - Step 4: Simplify right side
198,243.93x = 29,436,749,447.10 - Step 5: Solve for x
x = 29,436,749,447.10/198,243.93 - Step 6: Final answer
x = 148,487.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.