Finding the Fourth Proportional to 135,491.10, 203,247.16 and 40,713.88
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Solution
The fourth proportional to 135,491.10, 203,247.16 and 40,713.88 is: 61,073.98
Step by Step Solution
- Step 1: Write the proportion equation
135,491.10 : 203,247.16 = 40,713.88 : x - Step 2: Convert to fraction form
135,491.10/203,247.16 = 40,713.88/x - Step 3: Cross multiply
135,491.10x = 203,247.16 × 40,713.88 - Step 4: Simplify right side
135,491.10x = 8,274,980,482.58 - Step 5: Solve for x
x = 8,274,980,482.58/135,491.10 - Step 6: Final answer
x = 61,073.98
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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.