Finding the Fourth Proportional to 667,107.18, 920,596.85 and 361,181.11
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Solution
The fourth proportional to 667,107.18, 920,596.85 and 361,181.11 is: 498,423.95
Step by Step Solution
- Step 1: Write the proportion equation
667,107.18 : 920,596.85 = 361,181.11 : x - Step 2: Convert to fraction form
667,107.18/920,596.85 = 361,181.11/x - Step 3: Cross multiply
667,107.18x = 920,596.85 × 361,181.11 - Step 4: Simplify right side
667,107.18x = 332,502,190,339.60 - Step 5: Solve for x
x = 332,502,190,339.60/667,107.18 - Step 6: Final answer
x = 498,423.95
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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.