Finding the Fourth Proportional to 245,831.67, 339,168.42 and 149,074.29
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Solution
The fourth proportional to 245,831.67, 339,168.42 and 149,074.29 is: 205,674.44
Step by Step Solution
- Step 1: Write the proportion equation
245,831.67 : 339,168.42 = 149,074.29 : x - Step 2: Convert to fraction form
245,831.67/339,168.42 = 149,074.29/x - Step 3: Cross multiply
245,831.67x = 339,168.42 × 149,074.29 - Step 4: Simplify right side
245,831.67x = 50,561,291,401.92 - Step 5: Solve for x
x = 50,561,291,401.92/245,831.67 - Step 6: Final answer
x = 205,674.44
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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.