Finding the Fourth Proportional to 328,394.62, 453,184.37 and 177,491.62
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Solution
The fourth proportional to 328,394.62, 453,184.37 and 177,491.62 is: 244,938.32
Step by Step Solution
- Step 1: Write the proportion equation
328,394.62 : 453,184.37 = 177,491.62 : x - Step 2: Convert to fraction form
328,394.62/453,184.37 = 177,491.62/x - Step 3: Cross multiply
328,394.62x = 453,184.37 × 177,491.62 - Step 4: Simplify right side
328,394.62x = 80,436,425,969.56 - Step 5: Solve for x
x = 80,436,425,969.56/328,394.62 - Step 6: Final answer
x = 244,938.32
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1.5x scale
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.