Finding the Fourth Proportional to 328,515.75, 453,351.74 and 177,612.75
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Solution
The fourth proportional to 328,515.75, 453,351.74 and 177,612.75 is: 245,105.60
Step by Step Solution
- Step 1: Write the proportion equation
328,515.75 : 453,351.74 = 177,612.75 : x - Step 2: Convert to fraction form
328,515.75/453,351.74 = 177,612.75/x - Step 3: Cross multiply
328,515.75x = 453,351.74 × 177,612.75 - Step 4: Simplify right side
328,515.75x = 80,521,048,370.62 - Step 5: Solve for x
x = 80,521,048,370.62/328,515.75 - Step 6: Final answer
x = 245,105.60
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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.