Finding the Fourth Proportional to 198,249.26, 273,584.28 and 107,605.30
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Solution
The fourth proportional to 198,249.26, 273,584.28 and 107,605.30 is: 148,495.48
Step by Step Solution
- Step 1: Write the proportion equation
198,249.26 : 273,584.28 = 107,605.30 : x - Step 2: Convert to fraction form
198,249.26/273,584.28 = 107,605.30/x - Step 3: Cross multiply
198,249.26x = 273,584.28 × 107,605.30 - Step 4: Simplify right side
198,249.26x = 29,439,119,090.98 - Step 5: Solve for x
x = 29,439,119,090.98/198,249.26 - Step 6: Final answer
x = 148,495.48
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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.