Finding the Fourth Proportional to 285,195.96, 427,891.18 and 107,754.12
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Solution
The fourth proportional to 285,195.96, 427,891.18 and 107,754.12 is: 161,667.92
Step by Step Solution
- Step 1: Write the proportion equation
285,195.96 : 427,891.18 = 107,754.12 : x - Step 2: Convert to fraction form
285,195.96/427,891.18 = 107,754.12/x - Step 3: Cross multiply
285,195.96x = 427,891.18 × 107,754.12 - Step 4: Simplify right side
285,195.96x = 46,107,037,556.66 - Step 5: Solve for x
x = 46,107,037,556.66/285,195.96 - Step 6: Final answer
x = 161,667.92
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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.