Finding the Fourth Proportional to 138,635.73, 207,953.62 and 33,454.70
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Solution
The fourth proportional to 138,635.73, 207,953.62 and 33,454.70 is: 50,182.06
Step by Step Solution
- Step 1: Write the proportion equation
138,635.73 : 207,953.62 = 33,454.70 : x - Step 2: Convert to fraction form
138,635.73/207,953.62 = 33,454.70/x - Step 3: Cross multiply
138,635.73x = 207,953.62 × 33,454.70 - Step 4: Simplify right side
138,635.73x = 6,957,026,407.26 - Step 5: Solve for x
x = 6,957,026,407.26/138,635.73 - Step 6: Final answer
x = 50,182.06
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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.