Finding the Fourth Proportional to 587,815.21, 882,115.26 and 213,838.21
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Solution
The fourth proportional to 587,815.21, 882,115.26 and 213,838.21 is: 320,900.08
Step by Step Solution
- Step 1: Write the proportion equation
587,815.21 : 882,115.26 = 213,838.21 : x - Step 2: Convert to fraction form
587,815.21/882,115.26 = 213,838.21/x - Step 3: Cross multiply
587,815.21x = 882,115.26 × 213,838.21 - Step 4: Simplify right side
587,815.21x = 188,629,948,212.09 - Step 5: Solve for x
x = 188,629,948,212.09/587,815.21 - Step 6: Final answer
x = 320,900.08
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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.