Finding the Fourth Proportional to 252,570.81, 348,546.99 and 139,392.75
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Solution
The fourth proportional to 252,570.81, 348,546.99 and 139,392.75 is: 192,361.59
Step by Step Solution
- Step 1: Write the proportion equation
252,570.81 : 348,546.99 = 139,392.75 : x - Step 2: Convert to fraction form
252,570.81/348,546.99 = 139,392.75/x - Step 3: Cross multiply
252,570.81x = 348,546.99 × 139,392.75 - Step 4: Simplify right side
252,570.81x = 48,584,923,440.32 - Step 5: Solve for x
x = 48,584,923,440.32/252,570.81 - Step 6: Final answer
x = 192,361.59
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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.