Finding the Fourth Proportional to 239,145.24, 330,020.82 and 131,715.48
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Solution
The fourth proportional to 239,145.24, 330,020.82 and 131,715.48 is: 181,767.58
Step by Step Solution
- Step 1: Write the proportion equation
239,145.24 : 330,020.82 = 131,715.48 : x - Step 2: Convert to fraction form
239,145.24/330,020.82 = 131,715.48/x - Step 3: Cross multiply
239,145.24x = 330,020.82 × 131,715.48 - Step 4: Simplify right side
239,145.24x = 43,468,850,716.29 - Step 5: Solve for x
x = 43,468,850,716.29/239,145.24 - Step 6: Final answer
x = 181,767.58
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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.