Finding the Fourth Proportional to 198,270.13, 273,605.34 and 107,624.15
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Solution
The fourth proportional to 198,270.13, 273,605.34 and 107,624.15 is: 148,517.29
Step by Step Solution
- Step 1: Write the proportion equation
198,270.13 : 273,605.34 = 107,624.15 : x - Step 2: Convert to fraction form
198,270.13/273,605.34 = 107,624.15/x - Step 3: Cross multiply
198,270.13x = 273,605.34 × 107,624.15 - Step 4: Simplify right side
198,270.13x = 29,446,542,152.96 - Step 5: Solve for x
x = 29,446,542,152.96/198,270.13 - Step 6: Final answer
x = 148,517.29
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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.