Finding the Fourth Proportional to 682,811.80, 1,024,217.70 and 177,331.30
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Solution
The fourth proportional to 682,811.80, 1,024,217.70 and 177,331.30 is: 265,996.95
Step by Step Solution
- Step 1: Write the proportion equation
682,811.80 : 1,024,217.70 = 177,331.30 : x - Step 2: Convert to fraction form
682,811.80/1,024,217.70 = 177,331.30/x - Step 3: Cross multiply
682,811.80x = 1,024,217.70 × 177,331.30 - Step 4: Simplify right side
682,811.80x = 181,625,856,224.01 - Step 5: Solve for x
x = 181,625,856,224.01/682,811.80 - Step 6: Final answer
x = 265,996.95
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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.