Finding the Fourth Proportional to 328,349.70, 453,122.64 and 177,446.70
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Solution
The fourth proportional to 328,349.70, 453,122.64 and 177,446.70 is: 244,876.48
Step by Step Solution
- Step 1: Write the proportion equation
328,349.70 : 453,122.64 = 177,446.70 : x - Step 2: Convert to fraction form
328,349.70/453,122.64 = 177,446.70/x - Step 3: Cross multiply
328,349.70x = 453,122.64 × 177,446.70 - Step 4: Simplify right side
328,349.70x = 80,405,117,163.29 - Step 5: Solve for x
x = 80,405,117,163.29/328,349.70 - Step 6: Final answer
x = 244,876.48
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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.