Finding the Fourth Proportional to 194,958.64, 292,378.42 and 82,636.75
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Solution
The fourth proportional to 194,958.64, 292,378.42 and 82,636.75 is: 123,929.89
Step by Step Solution
- Step 1: Write the proportion equation
194,958.64 : 292,378.42 = 82,636.75 : x - Step 2: Convert to fraction form
194,958.64/292,378.42 = 82,636.75/x - Step 3: Cross multiply
194,958.64x = 292,378.42 × 82,636.75 - Step 4: Simplify right side
194,958.64x = 24,161,202,398.94 - Step 5: Solve for x
x = 24,161,202,398.94/194,958.64 - Step 6: Final answer
x = 123,929.89
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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.