Finding the Fourth Proportional to 264,987.27, 397,257.42 and 115,115.66
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Solution
The fourth proportional to 264,987.27, 397,257.42 and 115,115.66 is: 172,576.40
Step by Step Solution
- Step 1: Write the proportion equation
264,987.27 : 397,257.42 = 115,115.66 : x - Step 2: Convert to fraction form
264,987.27/397,257.42 = 115,115.66/x - Step 3: Cross multiply
264,987.27x = 397,257.42 × 115,115.66 - Step 4: Simplify right side
264,987.27x = 45,730,550,093.20 - Step 5: Solve for x
x = 45,730,550,093.20/264,987.27 - Step 6: Final answer
x = 172,576.40
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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.