Finding the Fourth Proportional to 138,025.38, 207,014.58 and 44,531.13
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Solution
The fourth proportional to 138,025.38, 207,014.58 and 44,531.13 is: 66,789.12
Step by Step Solution
- Step 1: Write the proportion equation
138,025.38 : 207,014.58 = 44,531.13 : x - Step 2: Convert to fraction form
138,025.38/207,014.58 = 44,531.13/x - Step 3: Cross multiply
138,025.38x = 207,014.58 × 44,531.13 - Step 4: Simplify right side
138,025.38x = 9,218,593,173.88 - Step 5: Solve for x
x = 9,218,593,173.88/138,025.38 - Step 6: Final answer
x = 66,789.12
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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.