Finding the Fourth Proportional to 328,469.12, 453,287.64 and 177,566.08
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Solution
The fourth proportional to 328,469.12, 453,287.64 and 177,566.08 is: 245,041.33
Step by Step Solution
- Step 1: Write the proportion equation
328,469.12 : 453,287.64 = 177,566.08 : x - Step 2: Convert to fraction form
328,469.12/453,287.64 = 177,566.08/x - Step 3: Cross multiply
328,469.12x = 453,287.64 × 177,566.08 - Step 4: Simplify right side
328,469.12x = 80,488,509,347.25 - Step 5: Solve for x
x = 80,488,509,347.25/328,469.12 - Step 6: Final answer
x = 245,041.33
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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.