Finding the Fourth Proportional to 336,107.20, 504,160.80 and 149,137.60
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Solution
The fourth proportional to 336,107.20, 504,160.80 and 149,137.60 is: 223,706.40
Step by Step Solution
- Step 1: Write the proportion equation
336,107.20 : 504,160.80 = 149,137.60 : x - Step 2: Convert to fraction form
336,107.20/504,160.80 = 149,137.60/x - Step 3: Cross multiply
336,107.20x = 504,160.80 × 149,137.60 - Step 4: Simplify right side
336,107.20x = 75,189,331,726.08 - Step 5: Solve for x
x = 75,189,331,726.08/336,107.20 - Step 6: Final answer
x = 223,706.40
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1.5x scale
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.