Finding the Fourth Proportional to 135,509.36, 203,155.50 and 64,396.31
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Solution
The fourth proportional to 135,509.36, 203,155.50 and 64,396.31 is: 96,542.88
Step by Step Solution
- Step 1: Write the proportion equation
135,509.36 : 203,155.50 = 64,396.31 : x - Step 2: Convert to fraction form
135,509.36/203,155.50 = 64,396.31/x - Step 3: Cross multiply
135,509.36x = 203,155.50 × 64,396.31 - Step 4: Simplify right side
135,509.36x = 13,082,464,556.21 - Step 5: Solve for x
x = 13,082,464,556.21/135,509.36 - Step 6: Final answer
x = 96,542.88
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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.