Finding the Fourth Proportional to 201,411.26, 302,141.50 and 68,329.60
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Solution
The fourth proportional to 201,411.26, 302,141.50 and 68,329.60 is: 102,502.75
Step by Step Solution
- Step 1: Write the proportion equation
201,411.26 : 302,141.50 = 68,329.60 : x - Step 2: Convert to fraction form
201,411.26/302,141.50 = 68,329.60/x - Step 3: Cross multiply
201,411.26x = 302,141.50 × 68,329.60 - Step 4: Simplify right side
201,411.26x = 20,645,207,838.40 - Step 5: Solve for x
x = 20,645,207,838.40/201,411.26 - Step 6: Final answer
x = 102,502.75
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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.