Finding the Fourth Proportional to 239,621.26, 330,676.40 and 132,197.98
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Solution
The fourth proportional to 239,621.26, 330,676.40 and 132,197.98 is: 182,432.69
Step by Step Solution
- Step 1: Write the proportion equation
239,621.26 : 330,676.40 = 132,197.98 : x - Step 2: Convert to fraction form
239,621.26/330,676.40 = 132,197.98/x - Step 3: Cross multiply
239,621.26x = 330,676.40 × 132,197.98 - Step 4: Simplify right side
239,621.26x = 43,714,752,113.67 - Step 5: Solve for x
x = 43,714,752,113.67/239,621.26 - Step 6: Final answer
x = 182,432.69
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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.