Finding the Fourth Proportional to 138,335.76, 207,544.68 and 44,839.44
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Solution
The fourth proportional to 138,335.76, 207,544.68 and 44,839.44 is: 67,272.46
Step by Step Solution
- Step 1: Write the proportion equation
138,335.76 : 207,544.68 = 44,839.44 : x - Step 2: Convert to fraction form
138,335.76/207,544.68 = 44,839.44/x - Step 3: Cross multiply
138,335.76x = 207,544.68 × 44,839.44 - Step 4: Simplify right side
138,335.76x = 9,306,187,226.18 - Step 5: Solve for x
x = 9,306,187,226.18/138,335.76 - Step 6: Final answer
x = 67,272.46
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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.