Finding the Fourth Proportional to 239,467.08, 330,466.80 and 132,040.96
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Solution
The fourth proportional to 239,467.08, 330,466.80 and 132,040.96 is: 182,217.75
Step by Step Solution
- Step 1: Write the proportion equation
239,467.08 : 330,466.80 = 132,040.96 : x - Step 2: Convert to fraction form
239,467.08/330,466.80 = 132,040.96/x - Step 3: Cross multiply
239,467.08x = 330,466.80 × 132,040.96 - Step 4: Simplify right side
239,467.08x = 43,635,153,520.13 - Step 5: Solve for x
x = 43,635,153,520.13/239,467.08 - Step 6: Final answer
x = 182,217.75
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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.