Finding the Fourth Proportional to 190,160.10, 285,203.70 and 57,044.70
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Solution
The fourth proportional to 190,160.10, 285,203.70 and 57,044.70 is: 85,556.12
Step by Step Solution
- Step 1: Write the proportion equation
190,160.10 : 285,203.70 = 57,044.70 : x - Step 2: Convert to fraction form
190,160.10/285,203.70 = 57,044.70/x - Step 3: Cross multiply
190,160.10x = 285,203.70 × 57,044.70 - Step 4: Simplify right side
190,160.10x = 16,269,359,505.39 - Step 5: Solve for x
x = 16,269,359,505.39/190,160.10 - Step 6: Final answer
x = 85,556.12
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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.