Finding the Fourth Proportional to 239,307.07, 330,245.94 and 131,880.94
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Solution
The fourth proportional to 239,307.07, 330,245.94 and 131,880.94 is: 181,996.90
Step by Step Solution
- Step 1: Write the proportion equation
239,307.07 : 330,245.94 = 131,880.94 : x - Step 2: Convert to fraction form
239,307.07/330,245.94 = 131,880.94/x - Step 3: Cross multiply
239,307.07x = 330,245.94 × 131,880.94 - Step 4: Simplify right side
239,307.07x = 43,553,144,998.38 - Step 5: Solve for x
x = 43,553,144,998.38/239,307.07 - Step 6: Final answer
x = 181,996.90
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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.