Finding the Fourth Proportional to 187,921.13, 259,452.11 and 167,743.49
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Solution
The fourth proportional to 187,921.13, 259,452.11 and 167,743.49 is: 231,593.98
Step by Step Solution
- Step 1: Write the proportion equation
187,921.13 : 259,452.11 = 167,743.49 : x - Step 2: Convert to fraction form
187,921.13/259,452.11 = 167,743.49/x - Step 3: Cross multiply
187,921.13x = 259,452.11 × 167,743.49 - Step 4: Simplify right side
187,921.13x = 43,521,401,541.36 - Step 5: Solve for x
x = 43,521,401,541.36/187,921.13 - Step 6: Final answer
x = 231,593.98
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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.