Finding the Fourth Proportional to 138,367.44, 207,548.28 and 93,882.96
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Solution
The fourth proportional to 138,367.44, 207,548.28 and 93,882.96 is: 140,822.49
Step by Step Solution
- Step 1: Write the proportion equation
138,367.44 : 207,548.28 = 93,882.96 : x - Step 2: Convert to fraction form
138,367.44/207,548.28 = 93,882.96/x - Step 3: Cross multiply
138,367.44x = 207,548.28 × 93,882.96 - Step 4: Simplify right side
138,367.44x = 19,485,246,869.31 - Step 5: Solve for x
x = 19,485,246,869.31/138,367.44 - Step 6: Final answer
x = 140,822.49
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1.5x scale
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.