Finding the Fourth Proportional to 442,806.20, 664,209.30 and 218,201.30
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Solution
The fourth proportional to 442,806.20, 664,209.30 and 218,201.30 is: 327,301.95
Step by Step Solution
- Step 1: Write the proportion equation
442,806.20 : 664,209.30 = 218,201.30 : x - Step 2: Convert to fraction form
442,806.20/664,209.30 = 218,201.30/x - Step 3: Cross multiply
442,806.20x = 664,209.30 × 218,201.30 - Step 4: Simplify right side
442,806.20x = 144,931,332,732.09 - Step 5: Solve for x
x = 144,931,332,732.09/442,806.20 - Step 6: Final answer
x = 327,301.95
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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.