Finding the Fourth Proportional to 239,313.69, 330,247.94 and 131,880.96
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Solution
The fourth proportional to 239,313.69, 330,247.94 and 131,880.96 is: 181,992.99
Step by Step Solution
- Step 1: Write the proportion equation
239,313.69 : 330,247.94 = 131,880.96 : x - Step 2: Convert to fraction form
239,313.69/330,247.94 = 131,880.96/x - Step 3: Cross multiply
239,313.69x = 330,247.94 × 131,880.96 - Step 4: Simplify right side
239,313.69x = 43,553,414,705.82 - Step 5: Solve for x
x = 43,553,414,705.82/239,313.69 - Step 6: Final answer
x = 181,992.99
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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.