Finding the Fourth Proportional to 324,515.76, 486,947.91 and 135,106.88
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Solution
The fourth proportional to 324,515.76, 486,947.91 and 135,106.88 is: 202,732.87
Step by Step Solution
- Step 1: Write the proportion equation
324,515.76 : 486,947.91 = 135,106.88 : x - Step 2: Convert to fraction form
324,515.76/486,947.91 = 135,106.88/x - Step 3: Cross multiply
324,515.76x = 486,947.91 × 135,106.88 - Step 4: Simplify right side
324,515.76x = 65,790,010,407.88 - Step 5: Solve for x
x = 65,790,010,407.88/324,515.76 - Step 6: Final answer
x = 202,732.87
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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.