Finding the Fourth Proportional to 180,874.40, 271,234.80 and 87,408.80
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Solution
The fourth proportional to 180,874.40, 271,234.80 and 87,408.80 is: 131,076.09
Step by Step Solution
- Step 1: Write the proportion equation
180,874.40 : 271,234.80 = 87,408.80 : x - Step 2: Convert to fraction form
180,874.40/271,234.80 = 87,408.80/x - Step 3: Cross multiply
180,874.40x = 271,234.80 × 87,408.80 - Step 4: Simplify right side
180,874.40x = 23,708,308,386.24 - Step 5: Solve for x
x = 23,708,308,386.24/180,874.40 - Step 6: Final answer
x = 131,076.09
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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.