Finding the Fourth Proportional to 239,523.40, 330,561.99 and 132,103.63
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Solution
The fourth proportional to 239,523.40, 330,561.99 and 132,103.63 is: 182,313.87
Step by Step Solution
- Step 1: Write the proportion equation
239,523.40 : 330,561.99 = 132,103.63 : x - Step 2: Convert to fraction form
239,523.40/330,561.99 = 132,103.63/x - Step 3: Cross multiply
239,523.40x = 330,561.99 × 132,103.63 - Step 4: Simplify right side
239,523.40x = 43,668,438,819.02 - Step 5: Solve for x
x = 43,668,438,819.02/239,523.40 - Step 6: Final answer
x = 182,313.87
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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.