Finding the Fourth Proportional to 189,015.18, 283,522.77 and 129,670.98
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Solution
The fourth proportional to 189,015.18, 283,522.77 and 129,670.98 is: 194,506.47
Step by Step Solution
- Step 1: Write the proportion equation
189,015.18 : 283,522.77 = 129,670.98 : x - Step 2: Convert to fraction form
189,015.18/283,522.77 = 129,670.98/x - Step 3: Cross multiply
189,015.18x = 283,522.77 × 129,670.98 - Step 4: Simplify right side
189,015.18x = 36,764,675,438.21 - Step 5: Solve for x
x = 36,764,675,438.21/189,015.18 - Step 6: Final answer
x = 194,506.47
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1.5x scale
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.