Finding the Fourth Proportional to 239,833.09, 330,960.95 and 132,400.81
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Solution
The fourth proportional to 239,833.09, 330,960.95 and 132,400.81 is: 182,708.31
Step by Step Solution
- Step 1: Write the proportion equation
239,833.09 : 330,960.95 = 132,400.81 : x - Step 2: Convert to fraction form
239,833.09/330,960.95 = 132,400.81/x - Step 3: Cross multiply
239,833.09x = 330,960.95 × 132,400.81 - Step 4: Simplify right side
239,833.09x = 43,819,497,858.37 - Step 5: Solve for x
x = 43,819,497,858.37/239,833.09 - Step 6: Final answer
x = 182,708.31
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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.