Finding the Fourth Proportional to 248,954.49, 343,505.68 and 145,568.79
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Solution
The fourth proportional to 248,954.49, 343,505.68 and 145,568.79 is: 200,854.81
Step by Step Solution
- Step 1: Write the proportion equation
248,954.49 : 343,505.68 = 145,568.79 : x - Step 2: Convert to fraction form
248,954.49/343,505.68 = 145,568.79/x - Step 3: Cross multiply
248,954.49x = 343,505.68 × 145,568.79 - Step 4: Simplify right side
248,954.49x = 50,003,705,831.81 - Step 5: Solve for x
x = 50,003,705,831.81/248,954.49 - Step 6: Final answer
x = 200,854.81
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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.