Finding the Fourth Proportional to 456,134.29, 629,438.22 and 252,173.02
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Solution
The fourth proportional to 456,134.29, 629,438.22 and 252,173.02 is: 347,983.79
Step by Step Solution
- Step 1: Write the proportion equation
456,134.29 : 629,438.22 = 252,173.02 : x - Step 2: Convert to fraction form
456,134.29/629,438.22 = 252,173.02/x - Step 3: Cross multiply
456,134.29x = 629,438.22 × 252,173.02 - Step 4: Simplify right side
456,134.29x = 158,727,336,840.82 - Step 5: Solve for x
x = 158,727,336,840.82/456,134.29 - Step 6: Final answer
x = 347,983.79
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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.