Finding the Fourth Proportional to 154,446.86, 213,162.17 and 106,008.99
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Solution
The fourth proportional to 154,446.86, 213,162.17 and 106,008.99 is: 146,309.92
Step by Step Solution
- Step 1: Write the proportion equation
154,446.86 : 213,162.17 = 106,008.99 : x - Step 2: Convert to fraction form
154,446.86/213,162.17 = 106,008.99/x - Step 3: Cross multiply
154,446.86x = 213,162.17 × 106,008.99 - Step 4: Simplify right side
154,446.86x = 22,597,107,115.21 - Step 5: Solve for x
x = 22,597,107,115.21/154,446.86 - Step 6: Final answer
x = 146,309.92
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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.