Finding the Fourth Proportional to 154,143.44, 231,233.68 and 54,282.99
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Solution
The fourth proportional to 154,143.44, 231,233.68 and 54,282.99 is: 81,431.01
Step by Step Solution
- Step 1: Write the proportion equation
154,143.44 : 231,233.68 = 54,282.99 : x - Step 2: Convert to fraction form
154,143.44/231,233.68 = 54,282.99/x - Step 3: Cross multiply
154,143.44x = 231,233.68 × 54,282.99 - Step 4: Simplify right side
154,143.44x = 12,552,055,539.10 - Step 5: Solve for x
x = 12,552,055,539.10/154,143.44 - Step 6: Final answer
x = 81,431.01
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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.