Finding the Fourth Proportional to 135,491.22, 203,247.35 and 40,714.01
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Solution
The fourth proportional to 135,491.22, 203,247.35 and 40,714.01 is: 61,074.17
Step by Step Solution
- Step 1: Write the proportion equation
135,491.22 : 203,247.35 = 40,714.01 : x - Step 2: Convert to fraction form
135,491.22/203,247.35 = 40,714.01/x - Step 3: Cross multiply
135,491.22x = 203,247.35 × 40,714.01 - Step 4: Simplify right side
135,491.22x = 8,275,013,420.57 - Step 5: Solve for x
x = 8,275,013,420.57/135,491.22 - Step 6: Final answer
x = 61,074.17
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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.