Finding the Fourth Proportional to 118,361.96, 177,543.62 and 39,475.96
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Solution
The fourth proportional to 118,361.96, 177,543.62 and 39,475.96 is: 59,214.17
Step by Step Solution
- Step 1: Write the proportion equation
118,361.96 : 177,543.62 = 39,475.96 : x - Step 2: Convert to fraction form
118,361.96/177,543.62 = 39,475.96/x - Step 3: Cross multiply
118,361.96x = 177,543.62 × 39,475.96 - Step 4: Simplify right side
118,361.96x = 7,008,705,568.91 - Step 5: Solve for x
x = 7,008,705,568.91/118,361.96 - Step 6: Final answer
x = 59,214.17
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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.