Finding the Fourth Proportional to 187,983.27, 259,416.99 and 101,942.23
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Solution
The fourth proportional to 187,983.27, 259,416.99 and 101,942.23 is: 140,680.31
Step by Step Solution
- Step 1: Write the proportion equation
187,983.27 : 259,416.99 = 101,942.23 : x - Step 2: Convert to fraction form
187,983.27/259,416.99 = 101,942.23/x - Step 3: Cross multiply
187,983.27x = 259,416.99 × 101,942.23 - Step 4: Simplify right side
187,983.27x = 26,445,546,070.21 - Step 5: Solve for x
x = 26,445,546,070.21/187,983.27 - Step 6: Final answer
x = 140,680.31
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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.