Finding the Fourth Proportional to 147,628.22, 221,109.39 and 68,576.09
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Solution
The fourth proportional to 147,628.22, 221,109.39 and 68,576.09 is: 102,709.47
Step by Step Solution
- Step 1: Write the proportion equation
147,628.22 : 221,109.39 = 68,576.09 : x - Step 2: Convert to fraction form
147,628.22/221,109.39 = 68,576.09/x - Step 3: Cross multiply
147,628.22x = 221,109.39 × 68,576.09 - Step 4: Simplify right side
147,628.22x = 15,162,816,322.94 - Step 5: Solve for x
x = 15,162,816,322.94/147,628.22 - Step 6: Final answer
x = 102,709.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.