Finding the Fourth Proportional to 198,239.69, 273,446.33 and 117,610.13
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Solution
The fourth proportional to 198,239.69, 273,446.33 and 117,610.13 is: 162,228.15
Step by Step Solution
- Step 1: Write the proportion equation
198,239.69 : 273,446.33 = 117,610.13 : x - Step 2: Convert to fraction form
198,239.69/273,446.33 = 117,610.13/x - Step 3: Cross multiply
198,239.69x = 273,446.33 × 117,610.13 - Step 4: Simplify right side
198,239.69x = 32,160,056,464.04 - Step 5: Solve for x
x = 32,160,056,464.04/198,239.69 - Step 6: Final answer
x = 162,228.15
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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.