Finding the Fourth Proportional to 198,249.19, 273,584.15 and 107,605.17
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Solution
The fourth proportional to 198,249.19, 273,584.15 and 107,605.17 is: 148,495.28
Step by Step Solution
- Step 1: Write the proportion equation
198,249.19 : 273,584.15 = 107,605.17 : x - Step 2: Convert to fraction form
198,249.19/273,584.15 = 107,605.17/x - Step 3: Cross multiply
198,249.19x = 273,584.15 × 107,605.17 - Step 4: Simplify right side
198,249.19x = 29,439,069,269.79 - Step 5: Solve for x
x = 29,439,069,269.79/198,249.19 - Step 6: Final answer
x = 148,495.28
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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.