Finding the Fourth Proportional to 113,828.58, 170,599.29 and 57,682.82
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Solution
The fourth proportional to 113,828.58, 170,599.29 and 57,682.82 is: 86,451.46
Step by Step Solution
- Step 1: Write the proportion equation
113,828.58 : 170,599.29 = 57,682.82 : x - Step 2: Convert to fraction form
113,828.58/170,599.29 = 57,682.82/x - Step 3: Cross multiply
113,828.58x = 170,599.29 × 57,682.82 - Step 4: Simplify right side
113,828.58x = 9,840,647,284.20 - Step 5: Solve for x
x = 9,840,647,284.20/113,828.58 - Step 6: Final answer
x = 86,451.46
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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.