Finding the Fourth Proportional to 321,202.08, 443,221.92 and 177,925.68
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Solution
The fourth proportional to 321,202.08, 443,221.92 and 177,925.68 is: 245,516.97
Step by Step Solution
- Step 1: Write the proportion equation
321,202.08 : 443,221.92 = 177,925.68 : x - Step 2: Convert to fraction form
321,202.08/443,221.92 = 177,925.68/x - Step 3: Cross multiply
321,202.08x = 443,221.92 × 177,925.68 - Step 4: Simplify right side
321,202.08x = 78,860,561,506.91 - Step 5: Solve for x
x = 78,860,561,506.91/321,202.08 - Step 6: Final answer
x = 245,516.97
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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.