Finding the Fourth Proportional to 150,117.99, 225,717.12 and 138,414.94
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Solution
The fourth proportional to 150,117.99, 225,717.12 and 138,414.94 is: 208,120.43
Step by Step Solution
- Step 1: Write the proportion equation
150,117.99 : 225,717.12 = 138,414.94 : x - Step 2: Convert to fraction form
150,117.99/225,717.12 = 138,414.94/x - Step 3: Cross multiply
150,117.99x = 225,717.12 × 138,414.94 - Step 4: Simplify right side
150,117.99x = 31,242,620,493.19 - Step 5: Solve for x
x = 31,242,620,493.19/150,117.99 - Step 6: Final answer
x = 208,120.43
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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.