Finding the Fourth Proportional to 239,819.98, 330,952.06 and 132,390.14
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Solution
The fourth proportional to 239,819.98, 330,952.06 and 132,390.14 is: 182,698.66
Step by Step Solution
- Step 1: Write the proportion equation
239,819.98 : 330,952.06 = 132,390.14 : x - Step 2: Convert to fraction form
239,819.98/330,952.06 = 132,390.14/x - Step 3: Cross multiply
239,819.98x = 330,952.06 × 132,390.14 - Step 4: Simplify right side
239,819.98x = 43,814,789,556.69 - Step 5: Solve for x
x = 43,814,789,556.69/239,819.98 - Step 6: Final answer
x = 182,698.66
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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.