Finding the Fourth Proportional to 198,547.53, 273,998.26 and 107,905.29
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Solution
The fourth proportional to 198,547.53, 273,998.26 and 107,905.29 is: 148,910.75
Step by Step Solution
- Step 1: Write the proportion equation
198,547.53 : 273,998.26 = 107,905.29 : x - Step 2: Convert to fraction form
198,547.53/273,998.26 = 107,905.29/x - Step 3: Cross multiply
198,547.53x = 273,998.26 × 107,905.29 - Step 4: Simplify right side
198,547.53x = 29,565,861,704.80 - Step 5: Solve for x
x = 29,565,861,704.80/198,547.53 - Step 6: Final answer
x = 148,910.75
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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.