Finding the Fourth Proportional to 198,360.54, 273,735.99 and 107,714.79
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Solution
The fourth proportional to 198,360.54, 273,735.99 and 107,714.79 is: 148,645.57
Step by Step Solution
- Step 1: Write the proportion equation
198,360.54 : 273,735.99 = 107,714.79 : x - Step 2: Convert to fraction form
198,360.54/273,735.99 = 107,714.79/x - Step 3: Cross multiply
198,360.54x = 273,735.99 × 107,714.79 - Step 4: Simplify right side
198,360.54x = 29,485,414,678.29 - Step 5: Solve for x
x = 29,485,414,678.29/198,360.54 - Step 6: Final answer
x = 148,645.57
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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.