Finding the Fourth Proportional to 150,456.21, 207,625.05 and 82,471.70
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Solution
The fourth proportional to 150,456.21, 207,625.05 and 82,471.70 is: 113,808.46
Step by Step Solution
- Step 1: Write the proportion equation
150,456.21 : 207,625.05 = 82,471.70 : x - Step 2: Convert to fraction form
150,456.21/207,625.05 = 82,471.70/x - Step 3: Cross multiply
150,456.21x = 207,625.05 × 82,471.70 - Step 4: Simplify right side
150,456.21x = 17,123,189,797.96 - Step 5: Solve for x
x = 17,123,189,797.96/150,456.21 - Step 6: Final answer
x = 113,808.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.