Finding the Fourth Proportional to 188,890.80, 283,009.14 and 132,624.06
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Solution
The fourth proportional to 188,890.80, 283,009.14 and 132,624.06 is: 198,706.45
Step by Step Solution
- Step 1: Write the proportion equation
188,890.80 : 283,009.14 = 132,624.06 : x - Step 2: Convert to fraction form
188,890.80/283,009.14 = 132,624.06/x - Step 3: Cross multiply
188,890.80x = 283,009.14 × 132,624.06 - Step 4: Simplify right side
188,890.80x = 37,533,821,163.91 - Step 5: Solve for x
x = 37,533,821,163.91/188,890.80 - Step 6: Final answer
x = 198,706.45
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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.