Finding the Fourth Proportional to 667,272.14, 920,838.05 and 361,348.66
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Solution
The fourth proportional to 667,272.14, 920,838.05 and 361,348.66 is: 498,662.50
Step by Step Solution
- Step 1: Write the proportion equation
667,272.14 : 920,838.05 = 361,348.66 : x - Step 2: Convert to fraction form
667,272.14/920,838.05 = 361,348.66/x - Step 3: Cross multiply
667,272.14x = 920,838.05 × 361,348.66 - Step 4: Simplify right side
667,272.14x = 332,743,595,444.51 - Step 5: Solve for x
x = 332,743,595,444.51/667,272.14 - Step 6: Final answer
x = 498,662.50
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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.