Finding the Fourth Proportional to 462,121.43, 637,664.46 and 258,147.14
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Solution
The fourth proportional to 462,121.43, 637,664.46 and 258,147.14 is: 356,207.79
Step by Step Solution
- Step 1: Write the proportion equation
462,121.43 : 637,664.46 = 258,147.14 : x - Step 2: Convert to fraction form
462,121.43/637,664.46 = 258,147.14/x - Step 3: Cross multiply
462,121.43x = 637,664.46 × 258,147.14 - Step 4: Simplify right side
462,121.43x = 164,611,253,440.32 - Step 5: Solve for x
x = 164,611,253,440.32/462,121.43 - Step 6: Final answer
x = 356,207.79
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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.