Finding the Fourth Proportional to 377,197.99, 520,517.37 and 213,865.48
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Solution
The fourth proportional to 377,197.99, 520,517.37 and 213,865.48 is: 295,125.37
Step by Step Solution
- Step 1: Write the proportion equation
377,197.99 : 520,517.37 = 213,865.48 : x - Step 2: Convert to fraction form
377,197.99/520,517.37 = 213,865.48/x - Step 3: Cross multiply
377,197.99x = 520,517.37 × 213,865.48 - Step 4: Simplify right side
377,197.99x = 111,320,697,183.39 - Step 5: Solve for x
x = 111,320,697,183.39/377,197.99 - Step 6: Final answer
x = 295,125.37
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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.