Finding the Fourth Proportional to 198,005.22, 273,246.93 and 107,361.02
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Solution
The fourth proportional to 198,005.22, 273,246.93 and 107,361.02 is: 148,158.06
Step by Step Solution
- Step 1: Write the proportion equation
198,005.22 : 273,246.93 = 107,361.02 : x - Step 2: Convert to fraction form
198,005.22/273,246.93 = 107,361.02/x - Step 3: Cross multiply
198,005.22x = 273,246.93 × 107,361.02 - Step 4: Simplify right side
198,005.22x = 29,336,069,799.79 - Step 5: Solve for x
x = 29,336,069,799.79/198,005.22 - Step 6: Final answer
x = 148,158.06
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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.