Finding the Fourth Proportional to 328,491.75, 453,318.62 and 177,588.75
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Solution
The fourth proportional to 328,491.75, 453,318.62 and 177,588.75 is: 245,072.48
Step by Step Solution
- Step 1: Write the proportion equation
328,491.75 : 453,318.62 = 177,588.75 : x - Step 2: Convert to fraction form
328,491.75/453,318.62 = 177,588.75/x - Step 3: Cross multiply
328,491.75x = 453,318.62 × 177,588.75 - Step 4: Simplify right side
328,491.75x = 80,504,287,077.53 - Step 5: Solve for x
x = 80,504,287,077.53/328,491.75 - Step 6: Final answer
x = 245,072.48
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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.