Finding the Fourth Proportional to 172,684.99, 258,809.92 and 92,524.15
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Solution
The fourth proportional to 172,684.99, 258,809.92 and 92,524.15 is: 138,669.65
Step by Step Solution
- Step 1: Write the proportion equation
172,684.99 : 258,809.92 = 92,524.15 : x - Step 2: Convert to fraction form
172,684.99/258,809.92 = 92,524.15/x - Step 3: Cross multiply
172,684.99x = 258,809.92 × 92,524.15 - Step 4: Simplify right side
172,684.99x = 23,946,167,859.57 - Step 5: Solve for x
x = 23,946,167,859.57/172,684.99 - Step 6: Final answer
x = 138,669.65
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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.