Finding the Fourth Proportional to 132,144.75, 198,246.29 and 49,038.75
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Solution
The fourth proportional to 132,144.75, 198,246.29 and 49,038.75 is: 73,568.95
Step by Step Solution
- Step 1: Write the proportion equation
132,144.75 : 198,246.29 = 49,038.75 : x - Step 2: Convert to fraction form
132,144.75/198,246.29 = 49,038.75/x - Step 3: Cross multiply
132,144.75x = 198,246.29 × 49,038.75 - Step 4: Simplify right side
132,144.75x = 9,721,750,008.54 - Step 5: Solve for x
x = 9,721,750,008.54/132,144.75 - Step 6: Final answer
x = 73,568.95
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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.