Finding the Fourth Proportional to 372,361.34, 558,629.70 and 106,125.68
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Solution
The fourth proportional to 372,361.34, 558,629.70 and 106,125.68 is: 159,213.51
Step by Step Solution
- Step 1: Write the proportion equation
372,361.34 : 558,629.70 = 106,125.68 : x - Step 2: Convert to fraction form
372,361.34/558,629.70 = 106,125.68/x - Step 3: Cross multiply
372,361.34x = 558,629.70 × 106,125.68 - Step 4: Simplify right side
372,361.34x = 59,284,956,780.70 - Step 5: Solve for x
x = 59,284,956,780.70/372,361.34 - Step 6: Final answer
x = 159,213.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.