Finding the Fourth Proportional to 239,813.07, 330,942.09 and 132,383.17
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Solution
The fourth proportional to 239,813.07, 330,942.09 and 132,383.17 is: 182,688.80
Step by Step Solution
- Step 1: Write the proportion equation
239,813.07 : 330,942.09 = 132,383.17 : x - Step 2: Convert to fraction form
239,813.07/330,942.09 = 132,383.17/x - Step 3: Cross multiply
239,813.07x = 330,942.09 × 132,383.17 - Step 4: Simplify right side
239,813.07x = 43,811,162,960.63 - Step 5: Solve for x
x = 43,811,162,960.63/239,813.07 - Step 6: Final answer
x = 182,688.80
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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.