Finding the Fourth Proportional to 118,836.97, 178,277.93 and 47,765.14
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Solution
The fourth proportional to 118,836.97, 178,277.93 and 47,765.14 is: 71,656.74
Step by Step Solution
- Step 1: Write the proportion equation
118,836.97 : 178,277.93 = 47,765.14 : x - Step 2: Convert to fraction form
118,836.97/178,277.93 = 47,765.14/x - Step 3: Cross multiply
118,836.97x = 178,277.93 × 47,765.14 - Step 4: Simplify right side
118,836.97x = 8,515,469,497.41 - Step 5: Solve for x
x = 8,515,469,497.41/118,836.97 - Step 6: Final answer
x = 71,656.74
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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.