Finding the Fourth Proportional to 326,080.26, 488,873.91 and 213,788.73
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Solution
The fourth proportional to 326,080.26, 488,873.91 and 213,788.73 is: 320,521.49
Step by Step Solution
- Step 1: Write the proportion equation
326,080.26 : 488,873.91 = 213,788.73 : x - Step 2: Convert to fraction form
326,080.26/488,873.91 = 213,788.73/x - Step 3: Cross multiply
326,080.26x = 488,873.91 × 213,788.73 - Step 4: Simplify right side
326,080.26x = 104,515,732,349.03 - Step 5: Solve for x
x = 104,515,732,349.03/326,080.26 - Step 6: Final answer
x = 320,521.49
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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.