Finding the Fourth Proportional to 193,519.14, 290,389.26 and 75,175.08
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Solution
The fourth proportional to 193,519.14, 290,389.26 and 75,175.08 is: 112,805.56
Step by Step Solution
- Step 1: Write the proportion equation
193,519.14 : 290,389.26 = 75,175.08 : x - Step 2: Convert to fraction form
193,519.14/290,389.26 = 75,175.08/x - Step 3: Cross multiply
193,519.14x = 290,389.26 × 75,175.08 - Step 4: Simplify right side
193,519.14x = 21,830,035,851.64 - Step 5: Solve for x
x = 21,830,035,851.64/193,519.14 - Step 6: Final answer
x = 112,805.56
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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.