Finding the Fourth Proportional to 461,110.24, 636,235.86 and 279,917.56
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Solution
The fourth proportional to 461,110.24, 636,235.86 and 279,917.56 is: 386,227.79
Step by Step Solution
- Step 1: Write the proportion equation
461,110.24 : 636,235.86 = 279,917.56 : x - Step 2: Convert to fraction form
461,110.24/636,235.86 = 279,917.56/x - Step 3: Cross multiply
461,110.24x = 636,235.86 × 279,917.56 - Step 4: Simplify right side
461,110.24x = 178,093,589,515.70 - Step 5: Solve for x
x = 178,093,589,515.70/461,110.24 - Step 6: Final answer
x = 386,227.79
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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.