Finding the Fourth Proportional to 220,299.19, 330,455.97 and 104,868.65
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Solution
The fourth proportional to 220,299.19, 330,455.97 and 104,868.65 is: 157,306.40
Step by Step Solution
- Step 1: Write the proportion equation
220,299.19 : 330,455.97 = 104,868.65 : x - Step 2: Convert to fraction form
220,299.19/330,455.97 = 104,868.65/x - Step 3: Cross multiply
220,299.19x = 330,455.97 × 104,868.65 - Step 4: Simplify right side
220,299.19x = 34,654,471,458.34 - Step 5: Solve for x
x = 34,654,471,458.34/220,299.19 - Step 6: Final answer
x = 157,306.40
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1.5x scale
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.