Finding the Fourth Proportional to 328,874.56, 453,846.12 and 177,971.68
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Solution
The fourth proportional to 328,874.56, 453,846.12 and 177,971.68 is: 245,600.50
Step by Step Solution
- Step 1: Write the proportion equation
328,874.56 : 453,846.12 = 177,971.68 : x - Step 2: Convert to fraction form
328,874.56/453,846.12 = 177,971.68/x - Step 3: Cross multiply
328,874.56x = 453,846.12 × 177,971.68 - Step 4: Simplify right side
328,874.56x = 80,771,756,437.88 - Step 5: Solve for x
x = 80,771,756,437.88/328,874.56 - Step 6: Final answer
x = 245,600.50
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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.