Finding the Fourth Proportional to 266,333.97, 399,556.86 and 76,793.97
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Solution
The fourth proportional to 266,333.97, 399,556.86 and 76,793.97 is: 115,207.07
Step by Step Solution
- Step 1: Write the proportion equation
266,333.97 : 399,556.86 = 76,793.97 : x - Step 2: Convert to fraction form
266,333.97/399,556.86 = 76,793.97/x - Step 3: Cross multiply
266,333.97x = 399,556.86 × 76,793.97 - Step 4: Simplify right side
266,333.97x = 30,683,557,520.13 - Step 5: Solve for x
x = 30,683,557,520.13/266,333.97 - Step 6: Final answer
x = 115,207.07
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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.