Finding the Fourth Proportional to 328,668.75, 453,562.92 and 177,765.75
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Solution
The fourth proportional to 328,668.75, 453,562.92 and 177,765.75 is: 245,316.76
Step by Step Solution
- Step 1: Write the proportion equation
328,668.75 : 453,562.92 = 177,765.75 : x - Step 2: Convert to fraction form
328,668.75/453,562.92 = 177,765.75/x - Step 3: Cross multiply
328,668.75x = 453,562.92 × 177,765.75 - Step 4: Simplify right side
328,668.75x = 80,627,952,645.99 - Step 5: Solve for x
x = 80,627,952,645.99/328,668.75 - Step 6: Final answer
x = 245,316.76
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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.