Finding the Fourth Proportional to 163,576.87, 225,908.18 and 145,745.65
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Solution
The fourth proportional to 163,576.87, 225,908.18 and 145,745.65 is: 201,282.33
Step by Step Solution
- Step 1: Write the proportion equation
163,576.87 : 225,908.18 = 145,745.65 : x - Step 2: Convert to fraction form
163,576.87/225,908.18 = 145,745.65/x - Step 3: Cross multiply
163,576.87x = 225,908.18 × 145,745.65 - Step 4: Simplify right side
163,576.87x = 32,925,133,687.26 - Step 5: Solve for x
x = 32,925,133,687.26/163,576.87 - Step 6: Final answer
x = 201,282.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.