Finding the Fourth Proportional to 287,088.92, 395,772.12 and 201,941.72
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Solution
The fourth proportional to 287,088.92, 395,772.12 and 201,941.72 is: 278,390.76
Step by Step Solution
- Step 1: Write the proportion equation
287,088.92 : 395,772.12 = 201,941.72 : x - Step 2: Convert to fraction form
287,088.92/395,772.12 = 201,941.72/x - Step 3: Cross multiply
287,088.92x = 395,772.12 × 201,941.72 - Step 4: Simplify right side
287,088.92x = 79,922,902,640.85 - Step 5: Solve for x
x = 79,922,902,640.85/287,088.92 - Step 6: Final answer
x = 278,390.76
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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.