Finding the Fourth Proportional to 336,028.20, 504,042.30 and 125,638.80
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Solution
The fourth proportional to 336,028.20, 504,042.30 and 125,638.80 is: 188,458.20
Step by Step Solution
- Step 1: Write the proportion equation
336,028.20 : 504,042.30 = 125,638.80 : x - Step 2: Convert to fraction form
336,028.20/504,042.30 = 125,638.80/x - Step 3: Cross multiply
336,028.20x = 504,042.30 × 125,638.80 - Step 4: Simplify right side
336,028.20x = 63,327,269,721.24 - Step 5: Solve for x
x = 63,327,269,721.24/336,028.20 - Step 6: Final answer
x = 188,458.20
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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.