Finding the Fourth Proportional to 305,951.97, 422,281.17 and 170,032.62
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Solution
The fourth proportional to 305,951.97, 422,281.17 and 170,032.62 is: 234,682.50
Step by Step Solution
- Step 1: Write the proportion equation
305,951.97 : 422,281.17 = 170,032.62 : x - Step 2: Convert to fraction form
305,951.97/422,281.17 = 170,032.62/x - Step 3: Cross multiply
305,951.97x = 422,281.17 × 170,032.62 - Step 4: Simplify right side
305,951.97x = 71,801,573,711.77 - Step 5: Solve for x
x = 71,801,573,711.77/305,951.97 - Step 6: Final answer
x = 234,682.50
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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.