Finding the Fourth Proportional to 79,450.14, 119,175.42 and 19,478.88
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Solution
The fourth proportional to 79,450.14, 119,175.42 and 19,478.88 is: 29,218.37
Step by Step Solution
- Step 1: Write the proportion equation
79,450.14 : 119,175.42 = 19,478.88 : x - Step 2: Convert to fraction form
79,450.14/119,175.42 = 19,478.88/x - Step 3: Cross multiply
79,450.14x = 119,175.42 × 19,478.88 - Step 4: Simplify right side
79,450.14x = 2,321,403,705.13 - Step 5: Solve for x
x = 2,321,403,705.13/79,450.14 - Step 6: Final answer
x = 29,218.37
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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.