Finding the Fourth Proportional to 115,257.18, 172,891.18 and 56,022.24
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Solution
The fourth proportional to 115,257.18, 172,891.18 and 56,022.24 is: 84,035.99
Step by Step Solution
- Step 1: Write the proportion equation
115,257.18 : 172,891.18 = 56,022.24 : x - Step 2: Convert to fraction form
115,257.18/172,891.18 = 56,022.24/x - Step 3: Cross multiply
115,257.18x = 172,891.18 × 56,022.24 - Step 4: Simplify right side
115,257.18x = 9,685,751,179.84 - Step 5: Solve for x
x = 9,685,751,179.84/115,257.18 - Step 6: Final answer
x = 84,035.99
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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.