Finding the Fourth Proportional to 239,788.14, 330,884.09 and 132,351.26
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Solution
The fourth proportional to 239,788.14, 330,884.09 and 132,351.26 is: 182,631.74
Step by Step Solution
- Step 1: Write the proportion equation
239,788.14 : 330,884.09 = 132,351.26 : x - Step 2: Convert to fraction form
239,788.14/330,884.09 = 132,351.26/x - Step 3: Cross multiply
239,788.14x = 330,884.09 × 132,351.26 - Step 4: Simplify right side
239,788.14x = 43,792,924,819.20 - Step 5: Solve for x
x = 43,792,924,819.20/239,788.14 - Step 6: Final answer
x = 182,631.74
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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.