Finding the Fourth Proportional to 408,255.99, 563,361.36 and 226,956.90
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Solution
The fourth proportional to 408,255.99, 563,361.36 and 226,956.90 is: 313,182.78
Step by Step Solution
- Step 1: Write the proportion equation
408,255.99 : 563,361.36 = 226,956.90 : x - Step 2: Convert to fraction form
408,255.99/563,361.36 = 226,956.90/x - Step 3: Cross multiply
408,255.99x = 563,361.36 × 226,956.90 - Step 4: Simplify right side
408,255.99x = 127,858,747,845.38 - Step 5: Solve for x
x = 127,858,747,845.38/408,255.99 - Step 6: Final answer
x = 313,182.78
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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.