Finding the Fourth Proportional to 198,209.23, 273,528.90 and 107,565.19
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Solution
The fourth proportional to 198,209.23, 273,528.90 and 107,565.19 is: 148,440.05
Step by Step Solution
- Step 1: Write the proportion equation
198,209.23 : 273,528.90 = 107,565.19 : x - Step 2: Convert to fraction form
198,209.23/273,528.90 = 107,565.19/x - Step 3: Cross multiply
198,209.23x = 273,528.90 × 107,565.19 - Step 4: Simplify right side
198,209.23x = 29,422,188,098.99 - Step 5: Solve for x
x = 29,422,188,098.99/198,209.23 - Step 6: Final answer
x = 148,440.05
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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.