Finding the Fourth Proportional to 464,983.07, 641,771.08 and 268,757.93
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Solution
The fourth proportional to 464,983.07, 641,771.08 and 268,757.93 is: 370,940.54
Step by Step Solution
- Step 1: Write the proportion equation
464,983.07 : 641,771.08 = 268,757.93 : x - Step 2: Convert to fraction form
464,983.07/641,771.08 = 268,757.93/x - Step 3: Cross multiply
464,983.07x = 641,771.08 × 268,757.93 - Step 4: Simplify right side
464,983.07x = 172,481,067,927.20 - Step 5: Solve for x
x = 172,481,067,927.20/464,983.07 - Step 6: Final answer
x = 370,940.54
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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.