Finding the Fourth Proportional to 409,115.73, 564,288.88 and 273,081.09
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Solution
The fourth proportional to 409,115.73, 564,288.88 and 273,081.09 is: 376,657.78
Step by Step Solution
- Step 1: Write the proportion equation
409,115.73 : 564,288.88 = 273,081.09 : x - Step 2: Convert to fraction form
409,115.73/564,288.88 = 273,081.09/x - Step 3: Cross multiply
409,115.73x = 564,288.88 × 273,081.09 - Step 4: Simplify right side
409,115.73x = 154,096,622,425.28 - Step 5: Solve for x
x = 154,096,622,425.28/409,115.73 - Step 6: Final answer
x = 376,657.78
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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.