Finding the Fourth Proportional to 180,900.76, 271,325.99 and 126,701.28
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Solution
The fourth proportional to 180,900.76, 271,325.99 and 126,701.28 is: 190,034.31
Step by Step Solution
- Step 1: Write the proportion equation
180,900.76 : 271,325.99 = 126,701.28 : x - Step 2: Convert to fraction form
180,900.76/271,325.99 = 126,701.28/x - Step 3: Cross multiply
180,900.76x = 271,325.99 × 126,701.28 - Step 4: Simplify right side
180,900.76x = 34,377,350,230.27 - Step 5: Solve for x
x = 34,377,350,230.27/180,900.76 - Step 6: Final answer
x = 190,034.31
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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.