Finding the Fourth Proportional to 385,236.75, 531,840.51 and 232,313.67
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Solution
The fourth proportional to 385,236.75, 531,840.51 and 232,313.67 is: 320,721.79
Step by Step Solution
- Step 1: Write the proportion equation
385,236.75 : 531,840.51 = 232,313.67 : x - Step 2: Convert to fraction form
385,236.75/531,840.51 = 232,313.67/x - Step 3: Cross multiply
385,236.75x = 531,840.51 × 232,313.67 - Step 4: Simplify right side
385,236.75x = 123,553,820,732.77 - Step 5: Solve for x
x = 123,553,820,732.77/385,236.75 - Step 6: Final answer
x = 320,721.79
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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.