Finding the Fourth Proportional to 102,694.41, 154,039.94 and 39,528.26
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Solution
The fourth proportional to 102,694.41, 154,039.94 and 39,528.26 is: 59,291.75
Step by Step Solution
- Step 1: Write the proportion equation
102,694.41 : 154,039.94 = 39,528.26 : x - Step 2: Convert to fraction form
102,694.41/154,039.94 = 39,528.26/x - Step 3: Cross multiply
102,694.41x = 154,039.94 × 39,528.26 - Step 4: Simplify right side
102,694.41x = 6,088,930,798.70 - Step 5: Solve for x
x = 6,088,930,798.70/102,694.41 - Step 6: Final answer
x = 59,291.75
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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.