Finding the Fourth Proportional to 115,104.36, 172,576.12 and 51,027.65
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Solution
The fourth proportional to 115,104.36, 172,576.12 and 51,027.65 is: 76,505.82
Step by Step Solution
- Step 1: Write the proportion equation
115,104.36 : 172,576.12 = 51,027.65 : x - Step 2: Convert to fraction form
115,104.36/172,576.12 = 51,027.65/x - Step 3: Cross multiply
115,104.36x = 172,576.12 × 51,027.65 - Step 4: Simplify right side
115,104.36x = 8,806,153,849.72 - Step 5: Solve for x
x = 8,806,153,849.72/115,104.36 - Step 6: Final answer
x = 76,505.82
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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.