Finding the Fourth Proportional to 321,873.99, 482,810.97 and 171,659.19
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Solution
The fourth proportional to 321,873.99, 482,810.97 and 171,659.19 is: 257,488.78
Step by Step Solution
- Step 1: Write the proportion equation
321,873.99 : 482,810.97 = 171,659.19 : x - Step 2: Convert to fraction form
321,873.99/482,810.97 = 171,659.19/x - Step 3: Cross multiply
321,873.99x = 482,810.97 × 171,659.19 - Step 4: Simplify right side
321,873.99x = 82,878,940,033.31 - Step 5: Solve for x
x = 82,878,940,033.31/321,873.99 - Step 6: Final answer
x = 257,488.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.