Finding the Fourth Proportional to 220,470.68, 304,247.40 and 119,868.68
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Solution
The fourth proportional to 220,470.68, 304,247.40 and 119,868.68 is: 165,417.62
Step by Step Solution
- Step 1: Write the proportion equation
220,470.68 : 304,247.40 = 119,868.68 : x - Step 2: Convert to fraction form
220,470.68/304,247.40 = 119,868.68/x - Step 3: Cross multiply
220,470.68x = 304,247.40 × 119,868.68 - Step 4: Simplify right side
220,470.68x = 36,469,734,231.43 - Step 5: Solve for x
x = 36,469,734,231.43/220,470.68 - Step 6: Final answer
x = 165,417.62
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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.