Finding the Fourth Proportional to 132,861.11, 199,257.63 and 39,344.99
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Solution
The fourth proportional to 132,861.11, 199,257.63 and 39,344.99 is: 59,007.40
Step by Step Solution
- Step 1: Write the proportion equation
132,861.11 : 199,257.63 = 39,344.99 : x - Step 2: Convert to fraction form
132,861.11/199,257.63 = 39,344.99/x - Step 3: Cross multiply
132,861.11x = 199,257.63 × 39,344.99 - Step 4: Simplify right side
132,861.11x = 7,839,788,463.49 - Step 5: Solve for x
x = 7,839,788,463.49/132,861.11 - Step 6: Final answer
x = 59,007.40
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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.