Finding the Fourth Proportional to 201,975.90, 302,708.70 and 102,163.65
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Solution
The fourth proportional to 201,975.90, 302,708.70 and 102,163.65 is: 153,116.41
Step by Step Solution
- Step 1: Write the proportion equation
201,975.90 : 302,708.70 = 102,163.65 : x - Step 2: Convert to fraction form
201,975.90/302,708.70 = 102,163.65/x - Step 3: Cross multiply
201,975.90x = 302,708.70 × 102,163.65 - Step 4: Simplify right side
201,975.90x = 30,925,825,678.76 - Step 5: Solve for x
x = 30,925,825,678.76/201,975.90 - Step 6: Final answer
x = 153,116.41
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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.