Finding the Fourth Proportional to 189,197.12, 283,604.04 and 122,679.44
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Solution
The fourth proportional to 189,197.12, 283,604.04 and 122,679.44 is: 183,894.90
Step by Step Solution
- Step 1: Write the proportion equation
189,197.12 : 283,604.04 = 122,679.44 : x - Step 2: Convert to fraction form
189,197.12/283,604.04 = 122,679.44/x - Step 3: Cross multiply
189,197.12x = 283,604.04 × 122,679.44 - Step 4: Simplify right side
189,197.12x = 34,792,384,808.94 - Step 5: Solve for x
x = 34,792,384,808.94/189,197.12 - Step 6: Final answer
x = 183,894.90
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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.