Finding the Fourth Proportional to 292,660.26, 438,689.07 and 115,095.30
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Solution
The fourth proportional to 292,660.26, 438,689.07 and 115,095.30 is: 172,524.45
Step by Step Solution
- Step 1: Write the proportion equation
292,660.26 : 438,689.07 = 115,095.30 : x - Step 2: Convert to fraction form
292,660.26/438,689.07 = 115,095.30/x - Step 3: Cross multiply
292,660.26x = 438,689.07 × 115,095.30 - Step 4: Simplify right side
292,660.26x = 50,491,050,118.37 - Step 5: Solve for x
x = 50,491,050,118.37/292,660.26 - Step 6: Final answer
x = 172,524.45
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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.