Finding the Fourth Proportional to 336,107.70, 504,161.55 and 305,003.70
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Solution
The fourth proportional to 336,107.70, 504,161.55 and 305,003.70 is: 457,505.55
Step by Step Solution
- Step 1: Write the proportion equation
336,107.70 : 504,161.55 = 305,003.70 : x - Step 2: Convert to fraction form
336,107.70/504,161.55 = 305,003.70/x - Step 3: Cross multiply
336,107.70x = 504,161.55 × 305,003.70 - Step 4: Simplify right side
336,107.70x = 153,771,138,147.74 - Step 5: Solve for x
x = 153,771,138,147.74/336,107.70 - Step 6: Final answer
x = 457,505.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.