Finding the Fourth Proportional to 198,414.01, 273,813.34 and 107,771.74
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Solution
The fourth proportional to 198,414.01, 273,813.34 and 107,771.74 is: 148,726.09
Step by Step Solution
- Step 1: Write the proportion equation
198,414.01 : 273,813.34 = 107,771.74 : x - Step 2: Convert to fraction form
198,414.01/273,813.34 = 107,771.74/x - Step 3: Cross multiply
198,414.01x = 273,813.34 × 107,771.74 - Step 4: Simplify right side
198,414.01x = 29,509,340,087.01 - Step 5: Solve for x
x = 29,509,340,087.01/198,414.01 - Step 6: Final answer
x = 148,726.09
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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.