Finding the Fourth Proportional to 135,759.36, 203,559.66 and 40,961.10
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Solution
The fourth proportional to 135,759.36, 203,559.66 and 40,961.10 is: 61,417.70
Step by Step Solution
- Step 1: Write the proportion equation
135,759.36 : 203,559.66 = 40,961.10 : x - Step 2: Convert to fraction form
135,759.36/203,559.66 = 40,961.10/x - Step 3: Cross multiply
135,759.36x = 203,559.66 × 40,961.10 - Step 4: Simplify right side
135,759.36x = 8,338,027,589.23 - Step 5: Solve for x
x = 8,338,027,589.23/135,759.36 - Step 6: Final answer
x = 61,417.70
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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.