Finding the Fourth Proportional to 328,299.75, 453,053.66 and 177,396.75
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Solution
The fourth proportional to 328,299.75, 453,053.66 and 177,396.75 is: 244,807.52
Step by Step Solution
- Step 1: Write the proportion equation
328,299.75 : 453,053.66 = 177,396.75 : x - Step 2: Convert to fraction form
328,299.75/453,053.66 = 177,396.75/x - Step 3: Cross multiply
328,299.75x = 453,053.66 × 177,396.75 - Step 4: Simplify right side
328,299.75x = 80,370,245,972.62 - Step 5: Solve for x
x = 80,370,245,972.62/328,299.75 - Step 6: Final answer
x = 244,807.52
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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.