Finding the Fourth Proportional to 135,685.24, 203,382.84 and 72,466.36
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Solution
The fourth proportional to 135,685.24, 203,382.84 and 72,466.36 is: 108,622.09
Step by Step Solution
- Step 1: Write the proportion equation
135,685.24 : 203,382.84 = 72,466.36 : x - Step 2: Convert to fraction form
135,685.24/203,382.84 = 72,466.36/x - Step 3: Cross multiply
135,685.24x = 203,382.84 × 72,466.36 - Step 4: Simplify right side
135,685.24x = 14,738,414,101.26 - Step 5: Solve for x
x = 14,738,414,101.26/135,685.24 - Step 6: Final answer
x = 108,622.09
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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.