Finding the Fourth Proportional to 239,806.99, 330,933.70 and 132,377.09
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Solution
The fourth proportional to 239,806.99, 330,933.70 and 132,377.09 is: 182,680.41
Step by Step Solution
- Step 1: Write the proportion equation
239,806.99 : 330,933.70 = 132,377.09 : x - Step 2: Convert to fraction form
239,806.99/330,933.70 = 132,377.09/x - Step 3: Cross multiply
239,806.99x = 330,933.70 × 132,377.09 - Step 4: Simplify right side
239,806.99x = 43,808,040,188.93 - Step 5: Solve for x
x = 43,808,040,188.93/239,806.99 - Step 6: Final answer
x = 182,680.41
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1.5x scale
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.