Finding the Fourth Proportional to 110,396.58, 165,622.82 and 31,511.09
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Solution
The fourth proportional to 110,396.58, 165,622.82 and 31,511.09 is: 47,274.60
Step by Step Solution
- Step 1: Write the proportion equation
110,396.58 : 165,622.82 = 31,511.09 : x - Step 2: Convert to fraction form
110,396.58/165,622.82 = 31,511.09/x - Step 3: Cross multiply
110,396.58x = 165,622.82 × 31,511.09 - Step 4: Simplify right side
110,396.58x = 5,218,954,601.40 - Step 5: Solve for x
x = 5,218,954,601.40/110,396.58 - Step 6: Final answer
x = 47,274.60
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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.