Finding the Fourth Proportional to 189,903.20, 285,023.84 and 101,229.92
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Solution
The fourth proportional to 189,903.20, 285,023.84 and 101,229.92 is: 151,934.99
Step by Step Solution
- Step 1: Write the proportion equation
189,903.20 : 285,023.84 = 101,229.92 : x - Step 2: Convert to fraction form
189,903.20/285,023.84 = 101,229.92/x - Step 3: Cross multiply
189,903.20x = 285,023.84 × 101,229.92 - Step 4: Simplify right side
189,903.20x = 28,852,940,521.29 - Step 5: Solve for x
x = 28,852,940,521.29/189,903.20 - Step 6: Final answer
x = 151,934.99
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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.