Finding the Fourth Proportional to 336,485.28, 504,797.58 and 136,805.70
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Solution
The fourth proportional to 336,485.28, 504,797.58 and 136,805.70 is: 205,236.87
Step by Step Solution
- Step 1: Write the proportion equation
336,485.28 : 504,797.58 = 136,805.70 : x - Step 2: Convert to fraction form
336,485.28/504,797.58 = 136,805.70/x - Step 3: Cross multiply
336,485.28x = 504,797.58 × 136,805.70 - Step 4: Simplify right side
336,485.28x = 69,059,186,290.21 - Step 5: Solve for x
x = 69,059,186,290.21/336,485.28 - Step 6: Final answer
x = 205,236.87
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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.