Finding the Fourth Proportional to 135,640.08, 203,471.46 and 46,857.60
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Solution
The fourth proportional to 135,640.08, 203,471.46 and 46,857.60 is: 70,290.32
Step by Step Solution
- Step 1: Write the proportion equation
135,640.08 : 203,471.46 = 46,857.60 : x - Step 2: Convert to fraction form
135,640.08/203,471.46 = 46,857.60/x - Step 3: Cross multiply
135,640.08x = 203,471.46 × 46,857.60 - Step 4: Simplify right side
135,640.08x = 9,534,184,284.10 - Step 5: Solve for x
x = 9,534,184,284.10/135,640.08 - Step 6: Final answer
x = 70,290.32
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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.