Finding the Fourth Proportional to 135,659.40, 203,325.93 and 50,202.06
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Solution
The fourth proportional to 135,659.40, 203,325.93 and 50,202.06 is: 75,242.71
Step by Step Solution
- Step 1: Write the proportion equation
135,659.40 : 203,325.93 = 50,202.06 : x - Step 2: Convert to fraction form
135,659.40/203,325.93 = 50,202.06/x - Step 3: Cross multiply
135,659.40x = 203,325.93 × 50,202.06 - Step 4: Simplify right side
135,659.40x = 10,207,380,537.42 - Step 5: Solve for x
x = 10,207,380,537.42/135,659.40 - Step 6: Final answer
x = 75,242.71
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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.