Finding the Fourth Proportional to 135,696.87, 203,485.91 and 55,679.94
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Solution
The fourth proportional to 135,696.87, 203,485.91 and 55,679.94 is: 83,495.54
Step by Step Solution
- Step 1: Write the proportion equation
135,696.87 : 203,485.91 = 55,679.94 : x - Step 2: Convert to fraction form
135,696.87/203,485.91 = 55,679.94/x - Step 3: Cross multiply
135,696.87x = 203,485.91 × 55,679.94 - Step 4: Simplify right side
135,696.87x = 11,330,082,981.25 - Step 5: Solve for x
x = 11,330,082,981.25/135,696.87 - Step 6: Final answer
x = 83,495.54
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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.