Finding the Fourth Proportional to 143,791.44, 216,463.62 and 129,324.36
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Solution
The fourth proportional to 143,791.44, 216,463.62 and 129,324.36 is: 194,684.88
Step by Step Solution
- Step 1: Write the proportion equation
143,791.44 : 216,463.62 = 129,324.36 : x - Step 2: Convert to fraction form
143,791.44/216,463.62 = 129,324.36/x - Step 3: Cross multiply
143,791.44x = 216,463.62 × 129,324.36 - Step 4: Simplify right side
143,791.44x = 27,994,019,119.78 - Step 5: Solve for x
x = 27,994,019,119.78/143,791.44 - Step 6: Final answer
x = 194,684.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.