Finding the Fourth Proportional to 379,507.97, 523,703.75 and 234,378.65
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Solution
The fourth proportional to 379,507.97, 523,703.75 and 234,378.65 is: 323,431.88
Step by Step Solution
- Step 1: Write the proportion equation
379,507.97 : 523,703.75 = 234,378.65 : x - Step 2: Convert to fraction form
379,507.97/523,703.75 = 234,378.65/x - Step 3: Cross multiply
379,507.97x = 523,703.75 × 234,378.65 - Step 4: Simplify right side
379,507.97x = 122,744,974,134.53 - Step 5: Solve for x
x = 122,744,974,134.53/379,507.97 - Step 6: Final answer
x = 323,431.88
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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.