Finding the Fourth Proportional to 171,418.09, 257,292.99 and 82,734.03
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Solution
The fourth proportional to 171,418.09, 257,292.99 and 82,734.03 is: 124,181.09
Step by Step Solution
- Step 1: Write the proportion equation
171,418.09 : 257,292.99 = 82,734.03 : x - Step 2: Convert to fraction form
171,418.09/257,292.99 = 82,734.03/x - Step 3: Cross multiply
171,418.09x = 257,292.99 × 82,734.03 - Step 4: Simplify right side
171,418.09x = 21,286,885,238.34 - Step 5: Solve for x
x = 21,286,885,238.34/171,418.09 - Step 6: Final answer
x = 124,181.09
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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.