Finding the Fourth Proportional to 135,446.92, 203,157.42 and 46,688.20
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Solution
The fourth proportional to 135,446.92, 203,157.42 and 46,688.20 is: 70,027.83
Step by Step Solution
- Step 1: Write the proportion equation
135,446.92 : 203,157.42 = 46,688.20 : x - Step 2: Convert to fraction form
135,446.92/203,157.42 = 46,688.20/x - Step 3: Cross multiply
135,446.92x = 203,157.42 × 46,688.20 - Step 4: Simplify right side
135,446.92x = 9,485,054,256.44 - Step 5: Solve for x
x = 9,485,054,256.44/135,446.92 - Step 6: Final answer
x = 70,027.83
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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.