Finding the Fourth Proportional to 138,863.70, 208,302.83 and 44,101.44
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Solution
The fourth proportional to 138,863.70, 208,302.83 and 44,101.44 is: 66,154.47
Step by Step Solution
- Step 1: Write the proportion equation
138,863.70 : 208,302.83 = 44,101.44 : x - Step 2: Convert to fraction form
138,863.70/208,302.83 = 44,101.44/x - Step 3: Cross multiply
138,863.70x = 208,302.83 × 44,101.44 - Step 4: Simplify right side
138,863.70x = 9,186,454,759.08 - Step 5: Solve for x
x = 9,186,454,759.08/138,863.70 - Step 6: Final answer
x = 66,154.47
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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.