Finding the Fourth Proportional to 110,382.44, 165,424.62 and 79,148.84
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Solution
The fourth proportional to 110,382.44, 165,424.62 and 79,148.84 is: 118,616.39
Step by Step Solution
- Step 1: Write the proportion equation
110,382.44 : 165,424.62 = 79,148.84 : x - Step 2: Convert to fraction form
110,382.44/165,424.62 = 79,148.84/x - Step 3: Cross multiply
110,382.44x = 165,424.62 × 79,148.84 - Step 4: Simplify right side
110,382.44x = 13,093,166,780.44 - Step 5: Solve for x
x = 13,093,166,780.44/110,382.44 - Step 6: Final answer
x = 118,616.39
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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.