Finding the Fourth Proportional to 188,806.36, 283,209.19 and 55,780.06
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Solution
The fourth proportional to 188,806.36, 283,209.19 and 55,780.06 is: 83,669.99
Step by Step Solution
- Step 1: Write the proportion equation
188,806.36 : 283,209.19 = 55,780.06 : x - Step 2: Convert to fraction form
188,806.36/283,209.19 = 55,780.06/x - Step 3: Cross multiply
188,806.36x = 283,209.19 × 55,780.06 - Step 4: Simplify right side
188,806.36x = 15,797,425,610.75 - Step 5: Solve for x
x = 15,797,425,610.75/188,806.36 - Step 6: Final answer
x = 83,669.99
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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.