Finding the Fourth Proportional to 193,757.80, 290,636.70 and 160,989.80
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Solution
The fourth proportional to 193,757.80, 290,636.70 and 160,989.80 is: 241,484.70
Step by Step Solution
- Step 1: Write the proportion equation
193,757.80 : 290,636.70 = 160,989.80 : x - Step 2: Convert to fraction form
193,757.80/290,636.70 = 160,989.80/x - Step 3: Cross multiply
193,757.80x = 290,636.70 × 160,989.80 - Step 4: Simplify right side
193,757.80x = 46,789,544,205.66 - Step 5: Solve for x
x = 46,789,544,205.66/193,757.80 - Step 6: Final answer
x = 241,484.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.