Finding the Fourth Proportional to 118,476.75, 177,743.21 and 35,372.91
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Solution
The fourth proportional to 118,476.75, 177,743.21 and 35,372.91 is: 53,067.75
Step by Step Solution
- Step 1: Write the proportion equation
118,476.75 : 177,743.21 = 35,372.91 : x - Step 2: Convert to fraction form
118,476.75/177,743.21 = 35,372.91/x - Step 3: Cross multiply
118,476.75x = 177,743.21 × 35,372.91 - Step 4: Simplify right side
118,476.75x = 6,287,294,570.44 - Step 5: Solve for x
x = 6,287,294,570.44/118,476.75 - Step 6: Final answer
x = 53,067.75
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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.