Finding the Fourth Proportional to 252,568.81, 348,544.24 and 139,390.75
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Solution
The fourth proportional to 252,568.81, 348,544.24 and 139,390.75 is: 192,358.84
Step by Step Solution
- Step 1: Write the proportion equation
252,568.81 : 348,544.24 = 139,390.75 : x - Step 2: Convert to fraction form
252,568.81/348,544.24 = 139,390.75/x - Step 3: Cross multiply
252,568.81x = 348,544.24 × 139,390.75 - Step 4: Simplify right side
252,568.81x = 48,583,843,021.78 - Step 5: Solve for x
x = 48,583,843,021.78/252,568.81 - Step 6: Final answer
x = 192,358.84
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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.