Finding the Fourth Proportional to 258,163.35, 387,396.73 and 108,392.12
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Solution
The fourth proportional to 258,163.35, 387,396.73 and 108,392.12 is: 162,651.88
Step by Step Solution
- Step 1: Write the proportion equation
258,163.35 : 387,396.73 = 108,392.12 : x - Step 2: Convert to fraction form
258,163.35/387,396.73 = 108,392.12/x - Step 3: Cross multiply
258,163.35x = 387,396.73 × 108,392.12 - Step 4: Simplify right side
258,163.35x = 41,990,754,066.41 - Step 5: Solve for x
x = 41,990,754,066.41/258,163.35 - Step 6: Final answer
x = 162,651.88
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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.