Finding the Fourth Proportional to 667,021.11, 920,487.99 and 361,097.38
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Solution
The fourth proportional to 667,021.11, 920,487.99 and 361,097.38 is: 498,313.76
Step by Step Solution
- Step 1: Write the proportion equation
667,021.11 : 920,487.99 = 361,097.38 : x - Step 2: Convert to fraction form
667,021.11/920,487.99 = 361,097.38/x - Step 3: Cross multiply
667,021.11x = 920,487.99 × 361,097.38 - Step 4: Simplify right side
667,021.11x = 332,385,799,209.25 - Step 5: Solve for x
x = 332,385,799,209.25/667,021.11 - Step 6: Final answer
x = 498,313.76
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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.