Finding the Fourth Proportional to 381,304.39, 526,224.99 and 220,166.23
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Solution
The fourth proportional to 381,304.39, 526,224.99 and 220,166.23 is: 303,843.79
Step by Step Solution
- Step 1: Write the proportion equation
381,304.39 : 526,224.99 = 220,166.23 : x - Step 2: Convert to fraction form
381,304.39/526,224.99 = 220,166.23/x - Step 3: Cross multiply
381,304.39x = 526,224.99 × 220,166.23 - Step 4: Simplify right side
381,304.39x = 115,856,972,180.09 - Step 5: Solve for x
x = 115,856,972,180.09/381,304.39 - Step 6: Final answer
x = 303,843.79
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1.5x scale
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.