Finding the Fourth Proportional to 147,883.57, 204,177.86 and 87,473.62
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Solution
The fourth proportional to 147,883.57, 204,177.86 and 87,473.62 is: 120,771.88
Step by Step Solution
- Step 1: Write the proportion equation
147,883.57 : 204,177.86 = 87,473.62 : x - Step 2: Convert to fraction form
147,883.57/204,177.86 = 87,473.62/x - Step 3: Cross multiply
147,883.57x = 204,177.86 × 87,473.62 - Step 4: Simplify right side
147,883.57x = 17,860,177,175.97 - Step 5: Solve for x
x = 17,860,177,175.97/147,883.57 - Step 6: Final answer
x = 120,771.88
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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.