Finding the Fourth Proportional to 142,545.28, 213,815.68 and 49,051.84
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Solution
The fourth proportional to 142,545.28, 213,815.68 and 49,051.84 is: 73,576.99
Step by Step Solution
- Step 1: Write the proportion equation
142,545.28 : 213,815.68 = 49,051.84 : x - Step 2: Convert to fraction form
142,545.28/213,815.68 = 49,051.84/x - Step 3: Cross multiply
142,545.28x = 213,815.68 × 49,051.84 - Step 4: Simplify right side
142,545.28x = 10,488,052,524.85 - Step 5: Solve for x
x = 10,488,052,524.85/142,545.28 - Step 6: Final answer
x = 73,576.99
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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.