Finding the Fourth Proportional to 479,453.67, 661,645.40 and 264,593.70
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Solution
The fourth proportional to 479,453.67, 661,645.40 and 264,593.70 is: 365,138.94
Step by Step Solution
- Step 1: Write the proportion equation
479,453.67 : 661,645.40 = 264,593.70 : x - Step 2: Convert to fraction form
479,453.67/661,645.40 = 264,593.70/x - Step 3: Cross multiply
479,453.67x = 661,645.40 × 264,593.70 - Step 4: Simplify right side
479,453.67x = 175,067,203,151.01 - Step 5: Solve for x
x = 175,067,203,151.01/479,453.67 - Step 6: Final answer
x = 365,138.94
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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.