Finding the Fourth Proportional to 239,466.36, 330,460.88 and 132,045.78
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Solution
The fourth proportional to 239,466.36, 330,460.88 and 132,045.78 is: 182,221.69
Step by Step Solution
- Step 1: Write the proportion equation
239,466.36 : 330,460.88 = 132,045.78 : x - Step 2: Convert to fraction form
239,466.36/330,460.88 = 132,045.78/x - Step 3: Cross multiply
239,466.36x = 330,460.88 × 132,045.78 - Step 4: Simplify right side
239,466.36x = 43,635,964,659.09 - Step 5: Solve for x
x = 43,635,964,659.09/239,466.36 - Step 6: Final answer
x = 182,221.69
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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.