Finding the Fourth Proportional to 379,748.46, 524,051.49 and 214,163.28
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Solution
The fourth proportional to 379,748.46, 524,051.49 and 214,163.28 is: 295,544.55
Step by Step Solution
- Step 1: Write the proportion equation
379,748.46 : 524,051.49 = 214,163.28 : x - Step 2: Convert to fraction form
379,748.46/524,051.49 = 214,163.28/x - Step 3: Cross multiply
379,748.46x = 524,051.49 × 214,163.28 - Step 4: Simplify right side
379,748.46x = 112,232,585,987.29 - Step 5: Solve for x
x = 112,232,585,987.29/379,748.46 - Step 6: Final answer
x = 295,544.55
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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.